25964562 has 64 divisors (see below), whose sum is σ = 59947776. Its totient is φ = 7434240.

The previous prime is 25964557. The next prime is 25964569. The reversal of 25964562 is 26546952.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 25964562.

It is not an unprimeable number, because it can be changed into a prime (25964569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73378 + ... + 73730.

It is an arithmetic number, because the mean of its divisors is an integer number (936684).

Almost surely, 2^25964562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25964562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29973888).

25964562 is an abundant number, since it is smaller than the sum of its proper divisors (33983214).

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

25964562 is a wasteful number, since it uses less digits than its factorization.

25964562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its digits is 129600, while the sum is 39.

The square root of 25964562 is about 5095.5433468866. The cubic root of 25964562 is about 296.1149495715.

The spelling of 25964562 in words is "twenty-five million, nine hundred sixty-four thousand, five hundred sixty-two".