512840899 has 2 divisors, whose sum is σ = 512840900. Its totient is φ = 512840898.

The previous prime is 512840863. The next prime is 512840927. The reversal of 512840899 is 998048215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512840899 - 2⁷ = 512840771 is a prime.

It is equal to p_26995753 and since 512840899 and 26995753 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (512840599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256420449 + 256420450.

It is an arithmetic number, because the mean of its divisors is an integer number (256420450).

Almost surely, 2^512840899 is an apocalyptic number.

512840899 is a deficient number, since it is larger than the sum of its proper divisors (1).

512840899 is an equidigital number, since it uses as much as digits as its factorization.

512840899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 512840899 is about 22645.9907930742. The cubic root of 512840899 is about 800.4377286775.

The spelling of 512840899 in words is "five hundred twelve million, eight hundred forty thousand, eight hundred ninety-nine".