25726425 has 12 divisors (see below), whose sum is σ = 42534480. Its totient is φ = 13720720.

The previous prime is 25726411. The next prime is 25726447. The reversal of 25726425 is 52462752.

It is not a de Polignac number, because 25726425 - 2¹³ = 25718233 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171435 + ... + 171584.

It is an arithmetic number, because the mean of its divisors is an integer number (3544540).

Almost surely, 2^25726425 is an apocalyptic number.

25726425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25726425 is a deficient number, since it is larger than the sum of its proper divisors (16808055).

25726425 is a wasteful number, since it uses less digits than its factorization.

25726425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343032 (or 343027 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 25726425 is about 5072.1223368527. The cubic root of 25726425 is about 295.2068835103.

The spelling of 25726425 in words is "twenty-five million, seven hundred twenty-six thousand, four hundred twenty-five".