512054197 has 2 divisors, whose sum is σ = 512054198. Its totient is φ = 512054196.

The previous prime is 512054149. The next prime is 512054227. The reversal of 512054197 is 791450215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 479347236 + 32706961 = 21894^2 + 5719^2 .

It is a cyclic number.

It is not a de Polignac number, because 512054197 - 2²⁷ = 377836469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512054117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256027098 + 256027099.

It is an arithmetic number, because the mean of its divisors is an integer number (256027099).

Almost surely, 2^512054197 is an apocalyptic number.

It is an amenable number.

512054197 is a deficient number, since it is larger than the sum of its proper divisors (1).

512054197 is an equidigital number, since it uses as much as digits as its factorization.

512054197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 512054197 is about 22628.6145620981. The cubic root of 512054197 is about 800.0282266082.

The spelling of 512054197 in words is "five hundred twelve million, fifty-four thousand, one hundred ninety-seven".