612667049 has 2 divisors, whose sum is σ = 612667050. Its totient is φ = 612667048.

The previous prime is 612667039. The next prime is 612667051. The reversal of 612667049 is 940766216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482593024 + 130074025 = 21968^2 + 11405^2 .

It is a cyclic number.

It is not a de Polignac number, because 612667049 - 2⁸ = 612666793 is a prime.

Together with 612667051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 612666997 and 612667015.

It is not a weakly prime, because it can be changed into another prime (612667039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306333524 + 306333525.

It is an arithmetic number, because the mean of its divisors is an integer number (306333525).

Almost surely, 2^612667049 is an apocalyptic number.

It is an amenable number.

612667049 is a deficient number, since it is larger than the sum of its proper divisors (1).

612667049 is an equidigital number, since it uses as much as digits as its factorization.

612667049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 612667049 is about 24752.1120108972. The cubic root of 612667049 is about 849.3268252532.

The spelling of 612667049 in words is "six hundred twelve million, six hundred sixty-seven thousand, forty-nine".