25532156 has 12 divisors (see below), whose sum is σ = 48118392. Its totient is φ = 11784048.

The previous prime is 25532149. The next prime is 25532161. The reversal of 25532156 is 65123552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245450 + ... + 245553.

It is an arithmetic number, because the mean of its divisors is an integer number (4009866).

Almost surely, 2^25532156 is an apocalyptic number.

25532156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25532156 is a deficient number, since it is larger than the sum of its proper divisors (22586236).

25532156 is a wasteful number, since it uses less digits than its factorization.

25532156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491020 (or 491018 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 25532156 is about 5052.9353845067. The cubic root of 25532156 is about 294.4619359834.

The spelling of 25532156 in words is "twenty-five million, five hundred thirty-two thousand, one hundred fifty-six".