25344725 has 24 divisors (see below), whose sum is σ = 36122688. Its totient is φ = 17280000.

The previous prime is 25344721. The next prime is 25344731. The reversal of 25344725 is 52744352.

It is not a de Polignac number, because 25344725 - 2² = 25344721 is a prime.

Its product of digits (33600) is a multiple of the sum of its prime divisors (840).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25344691 and 25344700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25344721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43637 + ... + 44213.

It is an arithmetic number, because the mean of its divisors is an integer number (1505112).

Almost surely, 2^25344725 is an apocalyptic number.

25344725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25344725 is a deficient number, since it is larger than the sum of its proper divisors (10777963).

25344725 is a wasteful number, since it uses less digits than its factorization.

25344725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 840 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 25344725 is about 5034.3544769911. The cubic root of 25344725 is about 293.7396193706.

The spelling of 25344725 in words is "twenty-five million, three hundred forty-four thousand, seven hundred twenty-five".