513136219 has 2 divisors, whose sum is σ = 513136220. Its totient is φ = 513136218.

The previous prime is 513136193. The next prime is 513136231. The reversal of 513136219 is 912631315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513136219 is a prime.

It is a super-2 number, since 2×513136219² = 526617558499231922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (513139219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256568109 + 256568110.

It is an arithmetic number, because the mean of its divisors is an integer number (256568110).

Almost surely, 2^513136219 is an apocalyptic number.

513136219 is a deficient number, since it is larger than the sum of its proper divisors (1).

513136219 is an equidigital number, since it uses as much as digits as its factorization.

513136219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 31.

The square root of 513136219 is about 22652.5102141021. The cubic root of 513136219 is about 800.5913435125.

The spelling of 513136219 in words is "five hundred thirteen million, one hundred thirty-six thousand, two hundred nineteen".