513380629 has 4 divisors (see below), whose sum is σ = 513426240. Its totient is φ = 513335020.

The previous prime is 513380611. The next prime is 513380641. The reversal of 513380629 is 926083315.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 513380629 - 2⁹ = 513380117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513380029) 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, 7524 + ... + 32914.

It is an arithmetic number, because the mean of its divisors is an integer number (128356560).

Almost surely, 2^513380629 is an apocalyptic number.

It is an amenable number.

513380629 is a deficient number, since it is larger than the sum of its proper divisors (45611).

513380629 is a wasteful number, since it uses less digits than its factorization.

513380629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45610.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 513380629 is about 22657.9043382216. The cubic root of 513380629 is about 800.7184322299.

The spelling of 513380629 in words is "five hundred thirteen million, three hundred eighty thousand, six hundred twenty-nine".