513423534 has 16 divisors (see below), whose sum is σ = 1105835472. Its totient is φ = 157976448.

The previous prime is 513423481. The next prime is 513423539. The reversal of 513423534 is 435324315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513423539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3291099 + ... + 3291254.

It is an arithmetic number, because the mean of its divisors is an integer number (69114717).

Almost surely, 2^513423534 is an apocalyptic number.

513423534 is an abundant number, since it is smaller than the sum of its proper divisors (592411938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513423534 is a wasteful number, since it uses less digits than its factorization.

513423534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582371.

The product of its digits is 21600, while the sum is 30.

The square root of 513423534 is about 22658.8511182716. The cubic root of 513423534 is about 800.7407378809.

Adding to 513423534 its reverse (435324315), we get a palindrome (948747849).

The spelling of 513423534 in words is "five hundred thirteen million, four hundred twenty-three thousand, five hundred thirty-four".