25613235 has 48 divisors (see below), whose sum is σ = 48391200. Its totient is φ = 12483072.

The previous prime is 25613227. The next prime is 25613299. The reversal of 25613235 is 53231652.

25613235 is a `hidden beast` number, since 25 + 613 + 23 + 5 = 666.

It is not a de Polignac number, because 25613235 - 2³ = 25613227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25613199 and 25613208.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24279 + ... + 25311.

It is an arithmetic number, because the mean of its divisors is an integer number (1008150).

Almost surely, 2^25613235 is an apocalyptic number.

25613235 is a deficient number, since it is larger than the sum of its proper divisors (22777965).

25613235 is a wasteful number, since it uses less digits than its factorization.

25613235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1089 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 25613235 is about 5060.9519855458. The cubic root of 25613235 is about 294.7733008879.

Adding to 25613235 its reverse (53231652), we get a palindrome (78844887).

The spelling of 25613235 in words is "twenty-five million, six hundred thirteen thousand, two hundred thirty-five".