25028131 has 8 divisors (see below), whose sum is σ = 27414720. Its totient is φ = 22743168.

The previous prime is 25028089. The next prime is 25028147. The reversal of 25028131 is 13182052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25028131 is a prime.

It is a super-2 number, since 2×25028131² = 1252814682706322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25098131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24891 + ... + 25876.

It is an arithmetic number, because the mean of its divisors is an integer number (3426840).

Almost surely, 2^25028131 is an apocalyptic number.

25028131 is a deficient number, since it is larger than the sum of its proper divisors (2386589).

25028131 is a wasteful number, since it uses less digits than its factorization.

25028131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50813.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 25028131 is about 5002.8123090918. The cubic root of 25028131 is about 292.5114067678.

The spelling of 25028131 in words is "twenty-five million, twenty-eight thousand, one hundred thirty-one".