404514013 has 4 divisors (see below), whose sum is σ = 404832060. Its totient is φ = 404195968.

The previous prime is 404513981. The next prime is 404514023. The reversal of 404514013 is 310415404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149377284 + 255136729 = 12222^2 + 15973^2 .

It is a cyclic number.

It is not a de Polignac number, because 404514013 - 2⁵ = 404513981 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 (404514023) 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, 157108 + ... + 159661.

It is an arithmetic number, because the mean of its divisors is an integer number (101208015).

Almost surely, 2^404514013 is an apocalyptic number.

It is an amenable number.

404514013 is a deficient number, since it is larger than the sum of its proper divisors (318047).

404514013 is a wasteful number, since it uses less digits than its factorization.

404514013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318046.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 404514013 is about 20112.5337289960. The cubic root of 404514013 is about 739.5675663156.

Adding to 404514013 its reverse (310415404), we get a palindrome (714929417).

The spelling of 404514013 in words is "four hundred four million, five hundred fourteen thousand, thirteen".