407863013 has 4 divisors (see below), whose sum is σ = 408367980. Its totient is φ = 407358048.

The previous prime is 407863009. The next prime is 407863021. The reversal of 407863013 is 310368704.

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 215707969 + 192155044 = 14687^2 + 13862^2 .

It is a cyclic number.

It is not a de Polignac number, because 407863013 - 2² = 407863009 is a prime.

It is a super-3 number, since 3×407863013³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407863073) 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, 251270 + ... + 252887.

It is an arithmetic number, because the mean of its divisors is an integer number (102091995).

Almost surely, 2^407863013 is an apocalyptic number.

It is an amenable number.

407863013 is a deficient number, since it is larger than the sum of its proper divisors (504967).

407863013 is an equidigital number, since it uses as much as digits as its factorization.

407863013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504966.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 407863013 is about 20195.6186585111. The cubic root of 407863013 is about 741.6029369359.

The spelling of 407863013 in words is "four hundred seven million, eight hundred sixty-three thousand, thirteen".