361612913 has 2 divisors, whose sum is σ = 361612914. Its totient is φ = 361612912.

The previous prime is 361612903. The next prime is 361612931. The reversal of 361612913 is 319216163.

Together with next prime (361612931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352200289 + 9412624 = 18767^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 361612913 - 2²² = 357418609 is a prime.

It is a super-3 number, since 3×361612913³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 361612913.

It is not a weakly prime, because it can be changed into another prime (361612903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180806456 + 180806457.

It is an arithmetic number, because the mean of its divisors is an integer number (180806457).

Almost surely, 2^361612913 is an apocalyptic number.

It is an amenable number.

361612913 is a deficient number, since it is larger than the sum of its proper divisors (1).

361612913 is an equidigital number, since it uses as much as digits as its factorization.

361612913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 361612913 is about 19016.1224491220. The cubic root of 361612913 is about 712.4394781054.

The spelling of 361612913 in words is "three hundred sixty-one million, six hundred twelve thousand, nine hundred thirteen".