512049457 has 2 divisors, whose sum is σ = 512049458. Its totient is φ = 512049456.

The previous prime is 512049427. The next prime is 512049479. The reversal of 512049457 is 754940215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495329536 + 16719921 = 22256^2 + 4089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512049457 is a prime.

It is not a weakly prime, because it can be changed into another prime (512049427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256024728 + 256024729.

It is an arithmetic number, because the mean of its divisors is an integer number (256024729).

Almost surely, 2^512049457 is an apocalyptic number.

It is an amenable number.

512049457 is a deficient number, since it is larger than the sum of its proper divisors (1).

512049457 is an equidigital number, since it uses as much as digits as its factorization.

512049457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 512049457 is about 22628.5098272069. The cubic root of 512049457 is about 800.0257580248.

The spelling of 512049457 in words is "five hundred twelve million, forty-nine thousand, four hundred fifty-seven".