25655532 has 24 divisors (see below), whose sum is σ = 68414976. Its totient is φ = 7330128.

The previous prime is 25655519. The next prime is 25655537. The reversal of 25655532 is 23555652.

It is a junction number, because it is equal to n+sod(n) for n = 25655493 and 25655502.

It is not an unprimeable number, because it can be changed into a prime (25655537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152628 + ... + 152795.

It is an arithmetic number, because the mean of its divisors is an integer number (2850624).

Almost surely, 2^25655532 is an apocalyptic number.

It is an amenable number.

25655532 is an abundant number, since it is smaller than the sum of its proper divisors (42759444).

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

25655532 is a wasteful number, since it uses less digits than its factorization.

25655532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305437 (or 305435 counting only the distinct ones).

The product of its digits is 45000, while the sum is 33.

The square root of 25655532 is about 5065.1290210616. The cubic root of 25655532 is about 294.9354718576.

The spelling of 25655532 in words is "twenty-five million, six hundred fifty-five thousand, five hundred thirty-two".