400115325 has 24 divisors (see below), whose sum is σ = 662590528. Its totient is φ = 213050880.

The previous prime is 400115267. The next prime is 400115363. The reversal of 400115325 is 523511004.

It is not a de Polignac number, because 400115325 - 2⁷ = 400115197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46512 + ... + 54438.

Almost surely, 2^400115325 is an apocalyptic number.

It is an amenable number.

400115325 is a deficient number, since it is larger than the sum of its proper divisors (262475203).

400115325 is a wasteful number, since it uses less digits than its factorization.

400115325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8613 (or 8608 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 400115325 is about 20002.8829172197. The cubic root of 400115325 is about 736.8771030794.

Adding to 400115325 its reverse (523511004), we get a palindrome (923626329).

The spelling of 400115325 in words is "four hundred million, one hundred fifteen thousand, three hundred twenty-five".