513960577 has 4 divisors (see below), whose sum is σ = 553496020. Its totient is φ = 474425136.

The previous prime is 513960547. The next prime is 513960607. The reversal of 513960577 is 775069315.

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

It is an interprime number because it is at equal distance from previous prime (513960547) and next prime (513960607).

It can be written as a sum of positive squares in 2 ways, for example, as 322525681 + 191434896 = 17959^2 + 13836^2 .

It is a cyclic number.

It is not a de Polignac number, because 513960577 - 2⁷ = 513960449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513960527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19767702 + ... + 19767727.

It is an arithmetic number, because the mean of its divisors is an integer number (138374005).

Almost surely, 2^513960577 is an apocalyptic number.

It is an amenable number.

513960577 is a deficient number, since it is larger than the sum of its proper divisors (39535443).

513960577 is a wasteful number, since it uses less digits than its factorization.

513960577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39535442.

The product of its (nonzero) digits is 198450, while the sum is 43.

The square root of 513960577 is about 22670.6986438442. The cubic root of 513960577 is about 801.0198332270.

The spelling of 513960577 in words is "five hundred thirteen million, nine hundred sixty thousand, five hundred seventy-seven".