406624513 has 8 divisors (see below), whose sum is σ = 430787808. Its totient is φ = 382488384.

The previous prime is 406624507. The next prime is 406624549. The reversal of 406624513 is 315426604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406624513 - 2²⁵ = 373070081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406024513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29670 + ... + 41152.

It is an arithmetic number, because the mean of its divisors is an integer number (53848476).

Almost surely, 2^406624513 is an apocalyptic number.

It is an amenable number.

406624513 is a deficient number, since it is larger than the sum of its proper divisors (24163295).

406624513 is a wasteful number, since it uses less digits than its factorization.

406624513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13583.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 406624513 is about 20164.9327546610. The cubic root of 406624513 is about 740.8515355686.

The spelling of 406624513 in words is "four hundred six million, six hundred twenty-four thousand, five hundred thirteen".