390452513 has 16 divisors (see below), whose sum is σ = 438552576. Its totient is φ = 344556240.

The previous prime is 390452507. The next prime is 390452561. The reversal of 390452513 is 315254093.

It is a cyclic number.

It is not a de Polignac number, because 390452513 - 2¹⁰ = 390451489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 390452513.

It is not an unprimeable number, because it can be changed into a prime (390452593) 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, 76520 + ... + 81462.

It is an arithmetic number, because the mean of its divisors is an integer number (27409536).

Almost surely, 2^390452513 is an apocalyptic number.

It is an amenable number.

390452513 is a deficient number, since it is larger than the sum of its proper divisors (48100063).

390452513 is a wasteful number, since it uses less digits than its factorization.

390452513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 390452513 is about 19759.8712799451. The cubic root of 390452513 is about 730.8968229689.

The spelling of 390452513 in words is "three hundred ninety million, four hundred fifty-two thousand, five hundred thirteen".