513243051 has 16 divisors (see below), whose sum is σ = 688550400. Its totient is φ = 340056288.

The previous prime is 513243023. The next prime is 513243061. The reversal of 513243051 is 150342315.

It is not a de Polignac number, because 513243051 - 2⁶ = 513242987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513243001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597060 + ... + 597918.

It is an arithmetic number, because the mean of its divisors is an integer number (43034400).

Almost surely, 2^513243051 is an apocalyptic number.

513243051 is a deficient number, since it is larger than the sum of its proper divisors (175307349).

513243051 is a wasteful number, since it uses less digits than its factorization.

513243051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 513243051 is about 22654.8681523420. The cubic root of 513243051 is about 800.6468991567.

Adding to 513243051 its reverse (150342315), we get a palindrome (663585366).

The spelling of 513243051 in words is "five hundred thirteen million, two hundred forty-three thousand, fifty-one".