613132397 has 2 divisors, whose sum is σ = 613132398. Its totient is φ = 613132396.

The previous prime is 613132393. The next prime is 613132417. The reversal of 613132397 is 793231316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605701321 + 7431076 = 24611^2 + 2726^2 .

It is a cyclic number.

It is not a de Polignac number, because 613132397 - 2² = 613132393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613132393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306566198 + 306566199.

It is an arithmetic number, because the mean of its divisors is an integer number (306566199).

Almost surely, 2^613132397 is an apocalyptic number.

It is an amenable number.

613132397 is a deficient number, since it is larger than the sum of its proper divisors (1).

613132397 is an equidigital number, since it uses as much as digits as its factorization.

613132397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 35.

The square root of 613132397 is about 24761.5103941581. The cubic root of 613132397 is about 849.5418047252.

The spelling of 613132397 in words is "six hundred thirteen million, one hundred thirty-two thousand, three hundred ninety-seven".