612667039 has 2 divisors, whose sum is σ = 612667040. Its totient is φ = 612667038.

The previous prime is 612667007. The next prime is 612667049. The reversal of 612667039 is 930766216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612667039 - 2⁵ = 612667007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612666992 and 612667010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612667049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306333519 + 306333520.

It is an arithmetic number, because the mean of its divisors is an integer number (306333520).

Almost surely, 2^612667039 is an apocalyptic number.

612667039 is a deficient number, since it is larger than the sum of its proper divisors (1).

612667039 is an equidigital number, since it uses as much as digits as its factorization.

612667039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 612667039 is about 24752.1118088942. Note that the first 3 decimals coincide. The cubic root of 612667039 is about 849.3268206322.

The spelling of 612667039 in words is "six hundred twelve million, six hundred sixty-seven thousand, thirty-nine".