25371025 has 12 divisors (see below), whose sum is σ = 31841712. Its totient is φ = 20050640.

The previous prime is 25371019. The next prime is 25371037. The reversal of 25371025 is 52017352.

25371025 = T₃₆ + T₃₇ + ... + T₅₃₃.

It is not a de Polignac number, because 25371025 - 2⁵ = 25370993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

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, 4039 + ... + 8188.

It is an arithmetic number, because the mean of its divisors is an integer number (2653476).

Almost surely, 2^25371025 is an apocalyptic number.

25371025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25371025 is a deficient number, since it is larger than the sum of its proper divisors (6470687).

25371025 is a wasteful number, since it uses less digits than its factorization.

25371025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320 (or 12315 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 25371025 is about 5036.9658525743. The cubic root of 25371025 is about 293.8411879265.

Adding to 25371025 its reverse (52017352), we get a palindrome (77388377).

The spelling of 25371025 in words is "twenty-five million, three hundred seventy-one thousand, twenty-five".