365901 has 4 divisors (see below), whose sum is σ = 487872. Its totient is φ = 243932.

The previous prime is 365851. The next prime is 365903. The reversal of 365901 is 109563.

365901 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 365901 - 2⁶ = 365837 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365901.

It is not an unprimeable number, because it can be changed into a prime (365903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60981 + ... + 60986.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

2³⁶⁵⁹⁰¹ is an apocalyptic number.

It is an amenable number.

365901 is a deficient number, since it is larger than the sum of its proper divisors (121971).

365901 is a wasteful number, since it uses less digits than its factorization.

365901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121970.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 365901 is about 604.8975119803. The cubic root of 365901 is about 71.5244508613.

The spelling of 365901 in words is "three hundred sixty-five thousand, nine hundred one".