513077457 has 4 divisors (see below), whose sum is σ = 684103280. Its totient is φ = 342051636.

The previous prime is 513077443. The next prime is 513077479. The reversal of 513077457 is 754770315.

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 not a de Polignac number, because 513077457 - 2⁴ = 513077441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513072457) 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, 85512907 + ... + 85512912.

It is an arithmetic number, because the mean of its divisors is an integer number (171025820).

Almost surely, 2^513077457 is an apocalyptic number.

It is an amenable number.

513077457 is a deficient number, since it is larger than the sum of its proper divisors (171025823).

513077457 is a wasteful number, since it uses less digits than its factorization.

513077457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171025822.

The product of its (nonzero) digits is 102900, while the sum is 39.

The square root of 513077457 is about 22651.2131463196. The cubic root of 513077457 is about 800.5607823330.

The spelling of 513077457 in words is "five hundred thirteen million, seventy-seven thousand, four hundred fifty-seven".