612113357 has 2 divisors, whose sum is σ = 612113358. Its totient is φ = 612113356.

The previous prime is 612113323. The next prime is 612113363. The reversal of 612113357 is 753311216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437186281 + 174927076 = 20909^2 + 13226^2 .

It is a cyclic number.

It is not a de Polignac number, because 612113357 - 2¹² = 612109261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612113057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306056678 + 306056679.

It is an arithmetic number, because the mean of its divisors is an integer number (306056679).

Almost surely, 2^612113357 is an apocalyptic number.

It is an amenable number.

612113357 is a deficient number, since it is larger than the sum of its proper divisors (1).

612113357 is an equidigital number, since it uses as much as digits as its factorization.

612113357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 612113357 is about 24740.9247401951. The cubic root of 612113357 is about 849.0708911334.

The spelling of 612113357 in words is "six hundred twelve million, one hundred thirteen thousand, three hundred fifty-seven".