513422269 has 2 divisors, whose sum is σ = 513422270. Its totient is φ = 513422268.

The previous prime is 513422243. The next prime is 513422281. The reversal of 513422269 is 962224315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494395225 + 19027044 = 22235^2 + 4362^2 .

It is a cyclic number.

It is not a de Polignac number, because 513422269 - 2¹¹ = 513420221 is a prime.

It is a super-2 number, since 2×513422269² = 527204852610216722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513422209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256711134 + 256711135.

It is an arithmetic number, because the mean of its divisors is an integer number (256711135).

Almost surely, 2^513422269 is an apocalyptic number.

It is an amenable number.

513422269 is a deficient number, since it is larger than the sum of its proper divisors (1).

513422269 is an equidigital number, since it uses as much as digits as its factorization.

513422269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 513422269 is about 22658.8232042178. The cubic root of 513422269 is about 800.7400802446.

The spelling of 513422269 in words is "five hundred thirteen million, four hundred twenty-two thousand, two hundred sixty-nine".