534681513 has 8 divisors (see below), whose sum is σ = 792120800. Its totient is φ = 356454324.

The previous prime is 534681509. The next prime is 534681517. The reversal of 534681513 is 315186435.

It is an interprime number because it is at equal distance from previous prime (534681509) and next prime (534681517).

It is not a de Polignac number, because 534681513 - 2² = 534681509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534681517) 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, 9901483 + ... + 9901536.

It is an arithmetic number, because the mean of its divisors is an integer number (99015100).

Almost surely, 2^534681513 is an apocalyptic number.

It is an amenable number.

534681513 is a deficient number, since it is larger than the sum of its proper divisors (257439287).

534681513 is a wasteful number, since it uses less digits than its factorization.

534681513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803028 (or 19803022 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 534681513 is about 23123.1812906442. The cubic root of 534681513 is about 811.6430161938.

The spelling of 534681513 in words is "five hundred thirty-four million, six hundred eighty-one thousand, five hundred thirteen".