512421337 has 2 divisors, whose sum is σ = 512421338. Its totient is φ = 512421336.

The previous prime is 512421319. The next prime is 512421341. The reversal of 512421337 is 733124215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297769536 + 214651801 = 17256^2 + 14651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512421337 is a prime.

It is a super-3 number, since 3×512421337³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (512421397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256210668 + 256210669.

It is an arithmetic number, because the mean of its divisors is an integer number (256210669).

Almost surely, 2^512421337 is an apocalyptic number.

It is an amenable number.

512421337 is a deficient number, since it is larger than the sum of its proper divisors (1).

512421337 is an equidigital number, since it uses as much as digits as its factorization.

512421337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 512421337 is about 22636.7254036444. The cubic root of 512421337 is about 800.2193861858.

The spelling of 512421337 in words is "five hundred twelve million, four hundred twenty-one thousand, three hundred thirty-seven".