25025105 has 32 divisors (see below), whose sum is σ = 36723456. Its totient is φ = 15980544.

The previous prime is 25025089. The next prime is 25025111. The reversal of 25025105 is 50152052.

It is not a de Polignac number, because 25025105 - 2⁴ = 25025089 is a prime.

It is a super-2 number, since 2×25025105² = 1252511760522050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81362 + ... + 81668.

It is an arithmetic number, because the mean of its divisors is an integer number (1147608).

Almost surely, 2^25025105 is an apocalyptic number.

It is an amenable number.

25025105 is a deficient number, since it is larger than the sum of its proper divisors (11698351).

25025105 is a wasteful number, since it uses less digits than its factorization.

25025105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 25025105 is about 5002.5098700552. The cubic root of 25025105 is about 292.4996176974.

Adding to 25025105 its reverse (50152052), we get a palindrome (75177157).

The spelling of 25025105 in words is "twenty-five million, twenty-five thousand, one hundred five".