25071725 has 24 divisors (see below), whose sum is σ = 37080960. Its totient is φ = 16441920.

The previous prime is 25071713. The next prime is 25071731. The reversal of 25071725 is 52717052.

It is not a de Polignac number, because 25071725 - 2¹⁴ = 25055341 is a prime.

It is a congruent 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, 911 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (1545040).

Almost surely, 2^25071725 is an apocalyptic number.

25071725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25071725 is a deficient number, since it is larger than the sum of its proper divisors (12009235).

25071725 is a wasteful number, since it uses less digits than its factorization.

25071725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269 (or 6264 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 25071725 is about 5007.1673628909. The cubic root of 25071725 is about 292.6811403868.

Adding to 25071725 its reverse (52717052), we get a palindrome (77788777).

The spelling of 25071725 in words is "twenty-five million, seventy-one thousand, seven hundred twenty-five".