407512613 has 2 divisors, whose sum is σ = 407512614. Its totient is φ = 407512612.

The previous prime is 407512579. The next prime is 407512619. The reversal of 407512613 is 316215704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281669089 + 125843524 = 16783^2 + 11218^2 .

It is a cyclic number.

It is not a de Polignac number, because 407512613 - 2¹⁰ = 407511589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407512619) 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 as a sum of consecutive naturals, namely, 203756306 + 203756307.

It is an arithmetic number, because the mean of its divisors is an integer number (203756307).

Almost surely, 2^407512613 is an apocalyptic number.

It is an amenable number.

407512613 is a deficient number, since it is larger than the sum of its proper divisors (1).

407512613 is an equidigital number, since it uses as much as digits as its factorization.

407512613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 407512613 is about 20186.9416455292. The cubic root of 407512613 is about 741.3905027672.

The spelling of 407512613 in words is "four hundred seven million, five hundred twelve thousand, six hundred thirteen".