25331373 has 20 divisors (see below), whose sum is σ = 38010940. Its totient is φ = 16811712.

The previous prime is 25331357. The next prime is 25331381. The reversal of 25331373 is 37313352.

It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 22155849 = 1782^2 + 4707^2 .

It is not a de Polignac number, because 25331373 - 2⁴ = 25331357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25331353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21873 + ... + 23001.

It is an arithmetic number, because the mean of its divisors is an integer number (1900547).

Almost surely, 2^25331373 is an apocalyptic number.

It is an amenable number.

25331373 is a deficient number, since it is larger than the sum of its proper divisors (12679567).

25331373 is a wasteful number, since it uses less digits than its factorization.

25331373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1409 counting only the distinct ones).

The product of its digits is 5670, while the sum is 27.

The square root of 25331373 is about 5033.0282137099. The cubic root of 25331373 is about 293.6880280917.

It can be divided in two parts, 253 and 31373, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 25331373 in words is "twenty-five million, three hundred thirty-one thousand, three hundred seventy-three".