513700916 has 6 divisors (see below), whose sum is σ = 898976610. Its totient is φ = 256850456.

The previous prime is 513700909. The next prime is 513700939. The reversal of 513700916 is 619007315.

It can be written as a sum of positive squares in only one way, i.e., 490622500 + 23078416 = 22150^2 + 4804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64212611 + ... + 64212618.

It is an arithmetic number, because the mean of its divisors is an integer number (149829435).

Almost surely, 2^513700916 is an apocalyptic number.

It is an amenable number.

513700916 is a deficient number, since it is larger than the sum of its proper divisors (385275694).

513700916 is a wasteful number, since it uses less digits than its factorization.

513700916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128425233 (or 128425231 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 513700916 is about 22664.9711228583. The cubic root of 513700916 is about 800.8849145469.

The spelling of 513700916 in words is "five hundred thirteen million, seven hundred thousand, nine hundred sixteen".