612310019 has 2 divisors, whose sum is σ = 612310020. Its totient is φ = 612310018.

The previous prime is 612310001. The next prime is 612310033. The reversal of 612310019 is 910013216.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612310019 - 2¹² = 612305923 is a prime.

It is a super-2 number, since 2×612310019² = 749847118735560722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 612309976 and 612310003.

It is not a weakly prime, because it can be changed into another prime (612310819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306155009 + 306155010.

It is an arithmetic number, because the mean of its divisors is an integer number (306155010).

Almost surely, 2^612310019 is an apocalyptic number.

612310019 is a deficient number, since it is larger than the sum of its proper divisors (1).

612310019 is an equidigital number, since it uses as much as digits as its factorization.

612310019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 612310019 is about 24744.8988480454. The cubic root of 612310019 is about 849.1618122557.

The spelling of 612310019 in words is "six hundred twelve million, three hundred ten thousand, nineteen".