25210923 has 4 divisors (see below), whose sum is σ = 33614568. Its totient is φ = 16807280.

The previous prime is 25210919. The next prime is 25210951. The reversal of 25210923 is 32901252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25210923 - 2² = 25210919 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25210893 and 25210902.

It is not an unprimeable number, because it can be changed into a prime (25210963) 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, 4201818 + ... + 4201823.

It is an arithmetic number, because the mean of its divisors is an integer number (8403642).

Almost surely, 2^25210923 is an apocalyptic number.

25210923 is a deficient number, since it is larger than the sum of its proper divisors (8403645).

25210923 is an equidigital number, since it uses as much as digits as its factorization.

25210923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403644.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25210923 is about 5021.0479981773. The cubic root of 25210923 is about 293.2217954325.

It can be divided in two parts, 252 and 10923, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 25210923 in words is "twenty-five million, two hundred ten thousand, nine hundred twenty-three".