513122434 has 32 divisors (see below), whose sum is σ = 858828096. Its totient is φ = 227973120.

The previous prime is 513122431. The next prime is 513122437. The reversal of 513122434 is 434221315.

It is an interprime number because it is at equal distance from previous prime (513122431) and next prime (513122437).

It is a junction number, because it is equal to n+sod(n) for n = 513122399 and 513122408.

It is not an unprimeable number, because it can be changed into a prime (513122431) 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, 175674 + ... + 178570.

It is an arithmetic number, because the mean of its divisors is an integer number (26838378).

Almost surely, 2^513122434 is an apocalyptic number.

513122434 is a deficient number, since it is larger than the sum of its proper divisors (345705662).

513122434 is a wasteful number, since it uses less digits than its factorization.

513122434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090.

The product of its digits is 2880, while the sum is 25.

The square root of 513122434 is about 22652.2059411440. The cubic root of 513122434 is about 800.5841743632.

Adding to 513122434 its reverse (434221315), we get a palindrome (947343749).

The spelling of 513122434 in words is "five hundred thirteen million, one hundred twenty-two thousand, four hundred thirty-four".