512976749 has 8 divisors (see below), whose sum is σ = 517536768. Its totient is φ = 508425120.

The previous prime is 512976733. The next prime is 512976757. The reversal of 512976749 is 947679215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512976749 - 2⁴ = 512976733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512976697 and 512976706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512976949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217394 + ... + 219740.

It is an arithmetic number, because the mean of its divisors is an integer number (64692096).

Almost surely, 2^512976749 is an apocalyptic number.

It is an amenable number.

512976749 is a deficient number, since it is larger than the sum of its proper divisors (4560019).

512976749 is a wasteful number, since it uses less digits than its factorization.

512976749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195.

The product of its digits is 952560, while the sum is 50.

The square root of 512976749 is about 22648.9900216323. The cubic root of 512976749 is about 800.5084002805.

The spelling of 512976749 in words is "five hundred twelve million, nine hundred seventy-six thousand, seven hundred forty-nine".