25124953 has 4 divisors (see below), whose sum is σ = 28714240. Its totient is φ = 21535668.

The previous prime is 25124917. The next prime is 25124959. The reversal of 25124953 is 35942152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-25124953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25124959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1794633 + ... + 1794646.

It is an arithmetic number, because the mean of its divisors is an integer number (7178560).

Almost surely, 2^25124953 is an apocalyptic number.

It is an amenable number.

25124953 is a deficient number, since it is larger than the sum of its proper divisors (3589287).

25124953 is an equidigital number, since it uses as much as digits as its factorization.

25124953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589286.

The product of its digits is 10800, while the sum is 31.

The square root of 25124953 is about 5012.4797256448. The cubic root of 25124953 is about 292.8881175022. Note that the first 3 decimals are identical.

The spelling of 25124953 in words is "twenty-five million, one hundred twenty-four thousand, nine hundred fifty-three".