405320613 has 16 divisors (see below), whose sum is σ = 575107200. Its totient is φ = 253034496.

The previous prime is 405320603. The next prime is 405320659. The reversal of 405320613 is 316023504.

It is a happy number.

It is not a de Polignac number, because 405320613 - 2⁶ = 405320549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405320603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9820 + ... + 30117.

It is an arithmetic number, because the mean of its divisors is an integer number (35944200).

Almost surely, 2^405320613 is an apocalyptic number.

It is an amenable number.

405320613 is a deficient number, since it is larger than the sum of its proper divisors (169786587).

405320613 is a wasteful number, since it uses less digits than its factorization.

405320613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40156.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 405320613 is about 20132.5759156646. The cubic root of 405320613 is about 740.0588052854.

The spelling of 405320613 in words is "four hundred five million, three hundred twenty thousand, six hundred thirteen".