513232051 has 8 divisors (see below), whose sum is σ = 536039424. Its totient is φ = 490465800.

The previous prime is 513232043. The next prime is 513232061. The reversal of 513232051 is 150232315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513232051 - 2³ = 513232043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513232021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16780 + ... + 36166.

It is an arithmetic number, because the mean of its divisors is an integer number (67004928).

Almost surely, 2^513232051 is an apocalyptic number.

513232051 is a deficient number, since it is larger than the sum of its proper divisors (22807373).

513232051 is a wasteful number, since it uses less digits than its factorization.

513232051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20561.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 513232051 is about 22654.6253776133. The cubic root of 513232051 is about 800.6411792034.

Adding to 513232051 its reverse (150232315), we get a palindrome (663464366).

The spelling of 513232051 in words is "five hundred thirteen million, two hundred thirty-two thousand, fifty-one".