Search a number
-
+
25253025 = 3527103467
BaseRepresentation
bin110000001010…
…1010010100001
31202111222122020
41200111102201
522431044100
62301132053
7424434660
oct140252241
952458566
1025253025
1113288a76
12855a029
135302425
1434d4dd7
15233c5a0
hex18154a1

25253025 has 48 divisors (see below), whose sum is σ = 48282624. Its totient is φ = 11407680.

The previous prime is 25253009. The next prime is 25253027. The reversal of 25253025 is 52035252.

It is not a de Polignac number, because 25253025 - 24 = 25253009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25252986 and 25253004.

It is not an unprimeable number, because it can be changed into a prime (25253027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53842 + ... + 54308.

It is an arithmetic number, because the mean of its divisors is an integer number (1005888).

Almost surely, 225253025 is an apocalyptic number.

25253025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25253025 is a deficient number, since it is larger than the sum of its proper divisors (23029599).

25253025 is a wasteful number, since it uses less digits than its factorization.

25253025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25253025 is about 5025.2388002960. The cubic root of 25253025 is about 293.3849305184.

Adding to 25253025 its reverse (52035252), we get a palindrome (77288277).

The spelling of 25253025 in words is "twenty-five million, two hundred fifty-three thousand, twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 103 105 175 309 467 515 525 721 1401 1545 2163 2335 2575 3269 3605 7005 7725 9807 10815 11675 16345 18025 35025 48101 49035 54075 81725 144303 240505 245175 336707 721515 1010121 1202525 1683535 3607575 5050605 8417675 25253025