25165472 has 24 divisors (see below), whose sum is σ = 50755572. Its totient is φ = 12275200.

The previous prime is 25165471. The next prime is 25165487. The reversal of 25165472 is 27456152.

It can be written as a sum of positive squares in 2 ways, for example, as 24641296 + 524176 = 4964^2 + 724^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (25165471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8279 + ... + 10902.

Almost surely, 2^25165472 is an apocalyptic number.

It is an amenable number.

25165472 is an abundant number, since it is smaller than the sum of its proper divisors (25590100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25165472 is a wasteful number, since it uses less digits than its factorization.

25165472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19232 (or 19224 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 25165472 is about 5016.5199092598. The cubic root of 25165472 is about 293.0454797834.

The spelling of 25165472 in words is "twenty-five million, one hundred sixty-five thousand, four hundred seventy-two".