396411525 has 72 divisors (see below), whose sum is σ = 772376904. Its totient is φ = 193536000.

The previous prime is 396411503. The next prime is 396411529. The reversal of 396411525 is 525114693.

396411525 is a `hidden beast` number, since 3 + 9 + 641 + 1 + 5 + 2 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 9345249 + 387066276 = 3057^2 + 19674^2 .

It is not a de Polignac number, because 396411525 - 2¹⁰ = 396410501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396411525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396411529) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 140125 + ... + 142925.

It is an arithmetic number, because the mean of its divisors is an integer number (10727457).

Almost surely, 2^396411525 is an apocalyptic number.

It is an amenable number.

396411525 is a deficient number, since it is larger than the sum of its proper divisors (375965379).

396411525 is a wasteful number, since it uses less digits than its factorization.

396411525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871 (or 2863 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 396411525 is about 19910.0860118685. The cubic root of 396411525 is about 734.5963353366.

The spelling of 396411525 in words is "three hundred ninety-six million, four hundred eleven thousand, five hundred twenty-five".