534813613 has 4 divisors (see below), whose sum is σ = 538717500. Its totient is φ = 530909728.

The previous prime is 534813607. The next prime is 534813649. The reversal of 534813613 is 316318435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316318435 = 5 ⋅63263687.

It can be written as a sum of positive squares in 2 ways, for example, as 269058409 + 265755204 = 16403^2 + 16302^2 .

It is a cyclic number.

It is not a de Polignac number, because 534813613 - 2⁹ = 534813101 is a prime.

It is a super-2 number, since 2×534813613² = 572051201300227538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534813313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951738 + ... + 1952011.

It is an arithmetic number, because the mean of its divisors is an integer number (134679375).

Almost surely, 2^534813613 is an apocalyptic number.

It is an amenable number.

534813613 is a deficient number, since it is larger than the sum of its proper divisors (3903887).

534813613 is a wasteful number, since it uses less digits than its factorization.

534813613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903886.

The product of its digits is 25920, while the sum is 34.

The square root of 534813613 is about 23126.0375551023. The cubic root of 534813613 is about 811.7098529999.

The spelling of 534813613 in words is "five hundred thirty-four million, eight hundred thirteen thousand, six hundred thirteen".