400053325 has 24 divisors (see below), whose sum is σ = 567741440. Its totient is φ = 273931200.

The previous prime is 400053323. The next prime is 400053337. The reversal of 400053325 is 523350004.

It is not a de Polignac number, because 400053325 - 2¹ = 400053323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400053296 and 400053305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400053323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177556 + ... + 179794.

Almost surely, 2^400053325 is an apocalyptic number.

It is an amenable number.

400053325 is a deficient number, since it is larger than the sum of its proper divisors (167688115).

400053325 is a wasteful number, since it uses less digits than its factorization.

400053325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 400053325 is about 20001.3330805724. Note that the first 3 decimals coincide. The cubic root of 400053325 is about 736.8390401032.

The spelling of 400053325 in words is "four hundred million, fifty-three thousand, three hundred twenty-five".