25357425 has 24 divisors (see below), whose sum is σ = 42068736. Its totient is φ = 13477440.

The previous prime is 25357417. The next prime is 25357427. The reversal of 25357425 is 52475352.

It is not a de Polignac number, because 25357425 - 2³ = 25357417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25357427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41472 + ... + 42078.

It is an arithmetic number, because the mean of its divisors is an integer number (1752864).

Almost surely, 2^25357425 is an apocalyptic number.

25357425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25357425 is a deficient number, since it is larger than the sum of its proper divisors (16711311).

25357425 is a wasteful number, since it uses less digits than its factorization.

25357425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1172 counting only the distinct ones).

The product of its digits is 42000, while the sum is 33.

The square root of 25357425 is about 5035.6156525295. The cubic root of 25357425 is about 293.7886745518.

The spelling of 25357425 in words is "twenty-five million, three hundred fifty-seven thousand, four hundred twenty-five".