361256065 has 4 divisors (see below), whose sum is σ = 433507284. Its totient is φ = 289004848.

The previous prime is 361256057. The next prime is 361256087. The reversal of 361256065 is 560652163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80928016 + 280328049 = 8996^2 + 16743^2 .

It is a cyclic number.

It is not a de Polignac number, because 361256065 - 2³ = 361256057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 361256065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36125602 + ... + 36125611.

It is an arithmetic number, because the mean of its divisors is an integer number (108376821).

Almost surely, 2^361256065 is an apocalyptic number.

It is an amenable number.

361256065 is a deficient number, since it is larger than the sum of its proper divisors (72251219).

361256065 is an equidigital number, since it uses as much as digits as its factorization.

361256065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72251218.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 361256065 is about 19006.7373581054. The cubic root of 361256065 is about 712.2050503815.

The spelling of 361256065 in words is "three hundred sixty-one million, two hundred fifty-six thousand, sixty-five".