25713425 has 24 divisors (see below), whose sum is σ = 33587136. Its totient is φ = 19490240.

The previous prime is 25713419. The next prime is 25713433. The reversal of 25713425 is 52431752.

It is a happy number.

It is not a de Polignac number, because 25713425 - 2⁶ = 25713361 is a prime.

It is a super-2 number, since 2×25713425² = 1322360450461250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113162 + ... + 113388.

It is an arithmetic number, because the mean of its divisors is an integer number (1399464).

Almost surely, 2^25713425 is an apocalyptic number.

25713425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25713425 is a deficient number, since it is larger than the sum of its proper divisors (7873711).

25713425 is a wasteful number, since it uses less digits than its factorization.

25713425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 452 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 25713425 is about 5070.8406600878. The cubic root of 25713425 is about 295.1571507798.

The spelling of 25713425 in words is "twenty-five million, seven hundred thirteen thousand, four hundred twenty-five".