612063251 has 2 divisors, whose sum is σ = 612063252. Its totient is φ = 612063250.

The previous prime is 612063217. The next prime is 612063259. The reversal of 612063251 is 152360216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612063251 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612063251.

It is not a weakly prime, because it can be changed into another prime (612063259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306031625 + 306031626.

It is an arithmetic number, because the mean of its divisors is an integer number (306031626).

Almost surely, 2^612063251 is an apocalyptic number.

612063251 is a deficient number, since it is larger than the sum of its proper divisors (1).

612063251 is an equidigital number, since it uses as much as digits as its factorization.

612063251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 612063251 is about 24739.9121057452. The cubic root of 612063251 is about 849.0477229264.

The spelling of 612063251 in words is "six hundred twelve million, sixty-three thousand, two hundred fifty-one".