Search a number
-
+
25225023 = 38408341
BaseRepresentation
bin110000000111…
…0011100111111
31202110120020010
41200032130333
522424200043
62300354303
7424260225
oct140163477
952416203
1025225023
1113269a2a
128545993
1352c2765
1434c8b15
152334133
hex180e73f

25225023 has 4 divisors (see below), whose sum is σ = 33633368. Its totient is φ = 16816680.

The previous prime is 25225021. The next prime is 25225049. The reversal of 25225023 is 32052252.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25225023 - 21 = 25225021 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204168 + ... + 4204173.

It is an arithmetic number, because the mean of its divisors is an integer number (8408342).

Almost surely, 225225023 is an apocalyptic number.

25225023 is a deficient number, since it is larger than the sum of its proper divisors (8408345).

25225023 is an equidigital number, since it uses as much as digits as its factorization.

25225023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8408344.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25225023 is about 5022.4518912579. The cubic root of 25225023 is about 293.2764497423.

Adding to 25225023 its reverse (32052252), we get a palindrome (57277275).

The spelling of 25225023 in words is "twenty-five million, two hundred twenty-five thousand, twenty-three".

Divisors: 1 3 8408341 25225023