513232046 has 4 divisors (see below), whose sum is σ = 769848072. Its totient is φ = 256616022.

The previous prime is 513232043. The next prime is 513232061. The reversal of 513232046 is 640232315.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×513232046² = 526814266082692232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513232043) 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 as a sum of consecutive naturals, namely, 128308010 + ... + 128308013.

It is an arithmetic number, because the mean of its divisors is an integer number (192462018).

Almost surely, 2^513232046 is an apocalyptic number.

513232046 is a deficient number, since it is larger than the sum of its proper divisors (256616026).

513232046 is a wasteful number, since it uses less digits than its factorization.

513232046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256616025.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 513232046 is about 22654.6252672605. The cubic root of 513232046 is about 800.6411766034.

The spelling of 513232046 in words is "five hundred thirteen million, two hundred thirty-two thousand, forty-six".