25395123 has 16 divisors (see below), whose sum is σ = 36690080. Its totient is φ = 15623712.

The previous prime is 25395119. The next prime is 25395131. The reversal of 25395123 is 32159352.

It is not a de Polignac number, because 25395123 - 2² = 25395119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25395023) 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, 4665 + ... + 8517.

It is an arithmetic number, because the mean of its divisors is an integer number (2293130).

Almost surely, 2^25395123 is an apocalyptic number.

25395123 is a deficient number, since it is larger than the sum of its proper divisors (11294957).

25395123 is an equidigital number, since it uses as much as digits as its factorization.

25395123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895 (or 3869 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 25395123 is about 5039.3573995104. The cubic root of 25395123 is about 293.9341909254.

The spelling of 25395123 in words is "twenty-five million, three hundred ninety-five thousand, one hundred twenty-three".