513271373 has 2 divisors, whose sum is σ = 513271374. Its totient is φ = 513271372.

The previous prime is 513271331. The next prime is 513271379. The reversal of 513271373 is 373172315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 510669604 + 2601769 = 22598^2 + 1613^2 .

It is a cyclic number.

It is not a de Polignac number, because 513271373 - 2²⁸ = 244835917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513271379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256635686 + 256635687.

It is an arithmetic number, because the mean of its divisors is an integer number (256635687).

Almost surely, 2^513271373 is an apocalyptic number.

It is an amenable number.

513271373 is a deficient number, since it is larger than the sum of its proper divisors (1).

513271373 is an equidigital number, since it uses as much as digits as its factorization.

513271373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 32.

The square root of 513271373 is about 22655.4932190849. The cubic root of 513271373 is about 800.6616261003.

The spelling of 513271373 in words is "five hundred thirteen million, two hundred seventy-one thousand, three hundred seventy-three".