513774741 has 4 divisors (see below), whose sum is σ = 685032992. Its totient is φ = 342516492.

The previous prime is 513774733. The next prime is 513774743. The reversal of 513774741 is 147477315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 513774741 - 2³ = 513774733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 513774741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513774743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85629121 + ... + 85629126.

It is an arithmetic number, because the mean of its divisors is an integer number (171258248).

Almost surely, 2^513774741 is an apocalyptic number.

It is an amenable number.

513774741 is a deficient number, since it is larger than the sum of its proper divisors (171258251).

513774741 is a wasteful number, since it uses less digits than its factorization.

513774741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171258250.

The product of its digits is 82320, while the sum is 39.

The square root of 513774741 is about 22666.5996788226. The cubic root of 513774741 is about 800.9232783074.

The spelling of 513774741 in words is "five hundred thirteen million, seven hundred seventy-four thousand, seven hundred forty-one".