24975139 has 16 divisors (see below), whose sum is σ = 30438400. Its totient is φ = 20015424.

The previous prime is 24975107. The next prime is 24975143. The reversal of 24975139 is 93157942.

It is a cyclic number.

It is not a de Polignac number, because 24975139 - 2⁵ = 24975107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24975199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9319 + ... + 11695.

It is an arithmetic number, because the mean of its divisors is an integer number (1902400).

Almost surely, 2^24975139 is an apocalyptic number.

24975139 is a deficient number, since it is larger than the sum of its proper divisors (5463261).

24975139 is a wasteful number, since it uses less digits than its factorization.

24975139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482.

The product of its digits is 68040, while the sum is 40.

The square root of 24975139 is about 4997.5132816232. The cubic root of 24975139 is about 292.3048163347.

The spelling of 24975139 in words is "twenty-four million, nine hundred seventy-five thousand, one hundred thirty-nine".