612046397 has 2 divisors, whose sum is σ = 612046398. Its totient is φ = 612046396.

The previous prime is 612046301. The next prime is 612046433. The reversal of 612046397 is 793640216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513520921 + 98525476 = 22661^2 + 9926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612046397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612046397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612040397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306023198 + 306023199.

It is an arithmetic number, because the mean of its divisors is an integer number (306023199).

Almost surely, 2^612046397 is an apocalyptic number.

It is an amenable number.

612046397 is a deficient number, since it is larger than the sum of its proper divisors (1).

612046397 is an equidigital number, since it uses as much as digits as its factorization.

612046397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 612046397 is about 24739.5714797165. The cubic root of 612046397 is about 849.0399296242.

The spelling of 612046397 in words is "six hundred twelve million, forty-six thousand, three hundred ninety-seven".