25528713 has 32 divisors (see below), whose sum is σ = 42172416. Its totient is φ = 13402368.

The previous prime is 25528697. The next prime is 25528733. The reversal of 25528713 is 31782552.

It is not a de Polignac number, because 25528713 - 2⁴ = 25528697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25528733) 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, 14520 + ... + 16182.

It is an arithmetic number, because the mean of its divisors is an integer number (1317888).

Almost surely, 2^25528713 is an apocalyptic number.

It is an amenable number.

25528713 is a deficient number, since it is larger than the sum of its proper divisors (16643703).

25528713 is a wasteful number, since it uses less digits than its factorization.

25528713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733.

The product of its digits is 16800, while the sum is 33.

The square root of 25528713 is about 5052.5946799639. The cubic root of 25528713 is about 294.4486993676.

The spelling of 25528713 in words is "twenty-five million, five hundred twenty-eight thousand, seven hundred thirteen".