25731323 has 8 divisors (see below), whose sum is σ = 26995680. Its totient is φ = 24492160.

The previous prime is 25731311. The next prime is 25731359. The reversal of 25731323 is 32313752.

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

It is not a de Polignac number, because 25731323 - 2¹² = 25727227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25731292 and 25731301.

It is not an unprimeable number, because it can be changed into a prime (25731373) 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, 4190 + ... + 8307.

It is an arithmetic number, because the mean of its divisors is an integer number (3374460).

Almost surely, 2^25731323 is an apocalyptic number.

25731323 is a deficient number, since it is larger than the sum of its proper divisors (1264357).

25731323 is a wasteful number, since it uses less digits than its factorization.

25731323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597.

The product of its digits is 3780, while the sum is 26.

The square root of 25731323 is about 5072.6051492305. The cubic root of 25731323 is about 295.2256169276.

The spelling of 25731323 in words is "twenty-five million, seven hundred thirty-one thousand, three hundred twenty-three".