512409377 has 2 divisors, whose sum is σ = 512409378. Its totient is φ = 512409376.

The previous prime is 512409329. The next prime is 512409409. The reversal of 512409377 is 773904215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511845376 + 564001 = 22624^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 512409377 - 2²² = 508215073 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512409377.

It is not a weakly prime, because it can be changed into another prime (512409977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256204688 + 256204689.

It is an arithmetic number, because the mean of its divisors is an integer number (256204689).

Almost surely, 2^512409377 is an apocalyptic number.

It is an amenable number.

512409377 is a deficient number, since it is larger than the sum of its proper divisors (1).

512409377 is an equidigital number, since it uses as much as digits as its factorization.

512409377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 512409377 is about 22636.4612296180. The cubic root of 512409377 is about 800.2131603858.

The spelling of 512409377 in words is "five hundred twelve million, four hundred nine thousand, three hundred seventy-seven".