514621013 has 4 divisors (see below), whose sum is σ = 516001068. Its totient is φ = 513240960.

The previous prime is 514620989. The next prime is 514621027. The reversal of 514621013 is 310126415.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88322404 + 426298609 = 9398^2 + 20647^2 .

It is a cyclic number.

It is not a de Polignac number, because 514621013 - 2²⁸ = 246185557 is a prime.

It is a super-2 number, since 2×514621013² = 529669574042292338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 514621013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514621073) 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, 689468 + ... + 690213.

It is an arithmetic number, because the mean of its divisors is an integer number (129000267).

Almost surely, 2^514621013 is an apocalyptic number.

It is an amenable number.

514621013 is a deficient number, since it is larger than the sum of its proper divisors (1380055).

514621013 is a wasteful number, since it uses less digits than its factorization.

514621013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380054.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 514621013 is about 22685.2598177759. The cubic root of 514621013 is about 801.3627881299.

Adding to 514621013 its reverse (310126415), we get a palindrome (824747428).

The spelling of 514621013 in words is "five hundred fourteen million, six hundred twenty-one thousand, thirteen".