613265231 has 2 divisors, whose sum is σ = 613265232. Its totient is φ = 613265230.

The previous prime is 613265207. The next prime is 613265273. The reversal of 613265231 is 132562316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613265231 - 2¹⁰ = 613264207 is a prime.

It is a super-2 number, since 2×613265231² = 752188487106966722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 613265194 and 613265203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613265131) 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, 306632615 + 306632616.

It is an arithmetic number, because the mean of its divisors is an integer number (306632616).

Almost surely, 2^613265231 is an apocalyptic number.

613265231 is a deficient number, since it is larger than the sum of its proper divisors (1).

613265231 is an equidigital number, since it uses as much as digits as its factorization.

613265231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 613265231 is about 24764.1925166156. The cubic root of 613265231 is about 849.6031508489.

The spelling of 613265231 in words is "six hundred thirteen million, two hundred sixty-five thousand, two hundred thirty-one".