512500447 has 2 divisors, whose sum is σ = 512500448. Its totient is φ = 512500446.

The previous prime is 512500409. The next prime is 512500459. The reversal of 512500447 is 744005215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512500447 - 2²⁷ = 378282719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512500477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256250223 + 256250224.

It is an arithmetic number, because the mean of its divisors is an integer number (256250224).

Almost surely, 2^512500447 is an apocalyptic number.

512500447 is a deficient number, since it is larger than the sum of its proper divisors (1).

512500447 is an equidigital number, since it uses as much as digits as its factorization.

512500447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 512500447 is about 22638.4727179198. The cubic root of 512500447 is about 800.2605646026.

The spelling of 512500447 in words is "five hundred twelve million, five hundred thousand, four hundred forty-seven".