Search a number
-
+
25355265 = 3513130027
BaseRepresentation
bin110000010111…
…0010000000001
31202201011212220
41200232100001
522442332030
62303241253
7425342025
oct140562001
952634786
1025355265
1113348871
1285a9229
135339b20
143520385
15235ca10
hex182e401

25355265 has 16 divisors (see below), whose sum is σ = 43689408. Its totient is φ = 12482496.

The previous prime is 25355263. The next prime is 25355311. The reversal of 25355265 is 56255352.

It is not a de Polignac number, because 25355265 - 21 = 25355263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25355263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64819 + ... + 65208.

It is an arithmetic number, because the mean of its divisors is an integer number (2730588).

Almost surely, 225355265 is an apocalyptic number.

It is an amenable number.

25355265 is a deficient number, since it is larger than the sum of its proper divisors (18334143).

25355265 is a wasteful number, since it uses less digits than its factorization.

25355265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130048.

The product of its digits is 45000, while the sum is 33.

The square root of 25355265 is about 5035.4011756761. The cubic root of 25355265 is about 293.7803324646.

The spelling of 25355265 in words is "twenty-five million, three hundred fifty-five thousand, two hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 195 130027 390081 650135 1690351 1950405 5071053 8451755 25355265