512852891 has 2 divisors, whose sum is σ = 512852892. Its totient is φ = 512852890.

The previous prime is 512852869. The next prime is 512852897. The reversal of 512852891 is 198258215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512852891 is a prime.

It is not a weakly prime, because it can be changed into another prime (512852897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256426445 + 256426446.

It is an arithmetic number, because the mean of its divisors is an integer number (256426446).

Almost surely, 2^512852891 is an apocalyptic number.

512852891 is a deficient number, since it is larger than the sum of its proper divisors (1).

512852891 is an equidigital number, since it uses as much as digits as its factorization.

512852891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 41.

The square root of 512852891 is about 22646.2555624545. The cubic root of 512852891 is about 800.4439676328.

The spelling of 512852891 in words is "five hundred twelve million, eight hundred fifty-two thousand, eight hundred ninety-one".