405393013 has 4 divisors (see below), whose sum is σ = 405502240. Its totient is φ = 405283788.

The previous prime is 405393011. The next prime is 405393019. The reversal of 405393013 is 310393504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 405393013 - 2¹ = 405393011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405393011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48843 + ... + 56536.

It is an arithmetic number, because the mean of its divisors is an integer number (101375560).

Almost surely, 2^405393013 is an apocalyptic number.

It is an amenable number.

405393013 is a deficient number, since it is larger than the sum of its proper divisors (109227).

405393013 is a wasteful number, since it uses less digits than its factorization.

405393013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109226.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 405393013 is about 20134.3739162657. The cubic root of 405393013 is about 740.1028667567.

The spelling of 405393013 in words is "four hundred five million, three hundred ninety-three thousand, thirteen".