619412513 has 2 divisors, whose sum is σ = 619412514. Its totient is φ = 619412512.

The previous prime is 619412489. The next prime is 619412533. The reversal of 619412513 is 315214916.

619412513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559937569 + 59474944 = 23663^2 + 7712^2 .

It is a cyclic number.

It is not a de Polignac number, because 619412513 - 2¹⁶ = 619346977 is a prime.

It is a super-2 number, since 2×619412513² = 767343722521950338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 619412513.

It is not a weakly prime, because it can be changed into another prime (619412533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309706256 + 309706257.

It is an arithmetic number, because the mean of its divisors is an integer number (309706257).

Almost surely, 2^619412513 is an apocalyptic number.

It is an amenable number.

619412513 is a deficient number, since it is larger than the sum of its proper divisors (1).

619412513 is an equidigital number, since it uses as much as digits as its factorization.

619412513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 619412513 is about 24887.9993772099. Note that the first 3 decimals coincide. The cubic root of 619412513 is about 852.4324845698.

The spelling of 619412513 in words is "six hundred nineteen million, four hundred twelve thousand, five hundred thirteen".