361885697 has 2 divisors, whose sum is σ = 361885698. Its totient is φ = 361885696.

The previous prime is 361885631. The next prime is 361885717. The reversal of 361885697 is 796588163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311134321 + 50751376 = 17639^2 + 7124^2 .

It is a cyclic number.

It is not a de Polignac number, because 361885697 - 2¹⁰ = 361884673 is a prime.

It is a super-2 number, since 2×361885697² = 261922515386351618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361885607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180942848 + 180942849.

It is an arithmetic number, because the mean of its divisors is an integer number (180942849).

Almost surely, 2^361885697 is an apocalyptic number.

It is an amenable number.

361885697 is a deficient number, since it is larger than the sum of its proper divisors (1).

361885697 is an equidigital number, since it uses as much as digits as its factorization.

361885697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 361885697 is about 19023.2935371349. The cubic root of 361885697 is about 712.6185768382.

The spelling of 361885697 in words is "three hundred sixty-one million, eight hundred eighty-five thousand, six hundred ninety-seven".