25031125 has 16 divisors (see below), whose sum is σ = 35702784. Its totient is φ = 17163600.

The previous prime is 25031101. The next prime is 25031131. The reversal of 25031125 is 52113052.

It is not a de Polignac number, because 25031125 - 2⁷ = 25030997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13429 + ... + 15178.

It is an arithmetic number, because the mean of its divisors is an integer number (2231424).

Almost surely, 2^25031125 is an apocalyptic number.

25031125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25031125 is a deficient number, since it is larger than the sum of its proper divisors (10671659).

25031125 is an equidigital number, since it uses as much as digits as its factorization.

25031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28629 (or 28619 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 25031125 is about 5003.1115318370. Note that the first 3 decimals coincide. The cubic root of 25031125 is about 292.5230702333.

Adding to 25031125 its reverse (52113052), we get a palindrome (77144177).

It can be divided in two parts, 250 and 31125, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 25031125 in words is "twenty-five million, thirty-one thousand, one hundred twenty-five".