23490925 has 12 divisors (see below), whose sum is σ = 29680020. Its totient is φ = 18437120.

The previous prime is 23490911. The next prime is 23490931. The reversal of 23490925 is 52909432.

It can be written as a sum of positive squares in 6 ways, for example, as 84681 + 23406244 = 291^2 + 4838^2 .

It is not a de Polignac number, because 23490925 - 2¹⁵ = 23458157 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7540 + ... + 10189.

It is an arithmetic number, because the mean of its divisors is an integer number (2473335).

Almost surely, 2^23490925 is an apocalyptic number.

23490925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23490925 is a deficient number, since it is larger than the sum of its proper divisors (6189095).

23490925 is a wasteful number, since it uses less digits than its factorization.

23490925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17792 (or 17787 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 23490925 is about 4846.7437522526. The cubic root of 23490925 is about 286.3958404577.

The spelling of 23490925 in words is "twenty-three million, four hundred ninety thousand, nine hundred twenty-five".