613056287 has 2 divisors, whose sum is σ = 613056288. Its totient is φ = 613056286.

The previous prime is 613056239. The next prime is 613056347. The reversal of 613056287 is 782650316.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613056287 is a prime.

It is a super-2 number, since 2×613056287² = 751676022060452738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 613056287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613056187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306528143 + 306528144.

It is an arithmetic number, because the mean of its divisors is an integer number (306528144).

Almost surely, 2^613056287 is an apocalyptic number.

613056287 is a deficient number, since it is larger than the sum of its proper divisors (1).

613056287 is an equidigital number, since it uses as much as digits as its factorization.

613056287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 613056287 is about 24759.9734854462. The cubic root of 613056287 is about 849.5066511962.

The spelling of 613056287 in words is "six hundred thirteen million, fifty-six thousand, two hundred eighty-seven".