25615052 has 24 divisors (see below), whose sum is σ = 46513152. Its totient is φ = 12330000.

The previous prime is 25615049. The next prime is 25615061. The reversal of 25615052 is 25051652.

It is a super-2 number, since 2×25615052² = 1312261777925408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30713 + ... + 31535.

It is an arithmetic number, because the mean of its divisors is an integer number (1938048).

Almost surely, 2^25615052 is an apocalyptic number.

It is an amenable number.

25615052 is a deficient number, since it is larger than the sum of its proper divisors (20898100).

25615052 is a wasteful number, since it uses less digits than its factorization.

25615052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 25615052 is about 5061.1314940436. The cubic root of 25615052 is about 294.7802711179.

The spelling of 25615052 in words is "twenty-five million, six hundred fifteen thousand, fifty-two".