25342656 has 56 divisors (see below), whose sum is σ = 70591680. Its totient is φ = 8001792.

The previous prime is 25342651. The next prime is 25342657. The reversal of 25342656 is 65624352.

It is not an unprimeable number, because it can be changed into a prime (25342651) 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, 175 + ... + 7121.

Almost surely, 2^25342656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25342656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35295840).

25342656 is an abundant number, since it is smaller than the sum of its proper divisors (45249024).

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

25342656 is a wasteful number, since it uses less digits than its factorization.

25342656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981 (or 6971 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 25342656 is about 5034.1489846845. The cubic root of 25342656 is about 293.7316260727.

The spelling of 25342656 in words is "twenty-five million, three hundred forty-two thousand, six hundred fifty-six".