512115479 has 2 divisors, whose sum is σ = 512115480. Its totient is φ = 512115478.

The previous prime is 512115473. The next prime is 512115511. The reversal of 512115479 is 974511215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512115479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512115473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256057739 + 256057740.

It is an arithmetic number, because the mean of its divisors is an integer number (256057740).

Almost surely, 2^512115479 is an apocalyptic number.

512115479 is a deficient number, since it is larger than the sum of its proper divisors (1).

512115479 is an equidigital number, since it uses as much as digits as its factorization.

512115479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 35.

The square root of 512115479 is about 22629.9686036017. The cubic root of 512115479 is about 800.0601407912.

The spelling of 512115479 in words is "five hundred twelve million, one hundred fifteen thousand, four hundred seventy-nine".