25364725 has 12 divisors (see below), whose sum is σ = 32122944. Its totient is φ = 19859120.

The previous prime is 25364723. The next prime is 25364737. The reversal of 25364725 is 52746352.

It is not a de Polignac number, because 25364725 - 2¹ = 25364723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25364723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9619 + ... + 11968.

It is an arithmetic number, because the mean of its divisors is an integer number (2676912).

Almost surely, 2^25364725 is an apocalyptic number.

25364725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25364725 is a deficient number, since it is larger than the sum of its proper divisors (6758219).

25364725 is a wasteful number, since it uses less digits than its factorization.

25364725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21644 (or 21639 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 25364725 is about 5036.3404372620. The cubic root of 25364725 is about 293.8168642116.

The spelling of 25364725 in words is "twenty-five million, three hundred sixty-four thousand, seven hundred twenty-five".