513106457 has 4 divisors (see below), whose sum is σ = 540112080. Its totient is φ = 486100836.

The previous prime is 513106423. The next prime is 513106459. The reversal of 513106457 is 754601315.

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 513106457 - 2²⁸ = 244671001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513106459) 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, 13502783 + ... + 13502820.

It is an arithmetic number, because the mean of its divisors is an integer number (135028020).

Almost surely, 2^513106457 is an apocalyptic number.

It is an amenable number.

513106457 is a deficient number, since it is larger than the sum of its proper divisors (27005623).

513106457 is a wasteful number, since it uses less digits than its factorization.

513106457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27005622.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 513106457 is about 22651.8532795884. The cubic root of 513106457 is about 800.5758650623.

The spelling of 513106457 in words is "five hundred thirteen million, one hundred six thousand, four hundred fifty-seven".