365733961 has 4 divisors (see below), whose sum is σ = 365777424. Its totient is φ = 365690500.

The previous prime is 365733919. The next prime is 365733989. The reversal of 365733961 is 169337563.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 169337563 = 4421 ⋅38303.

It is a cyclic number.

It is not a de Polignac number, because 365733961 - 2⁹ = 365733449 is a prime.

It is a super-2 number, since 2×365733961² = 267522660457499042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365733911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4615 + ... + 27436.

It is an arithmetic number, because the mean of its divisors is an integer number (91444356).

Almost surely, 2^365733961 is an apocalyptic number.

It is an amenable number.

365733961 is a deficient number, since it is larger than the sum of its proper divisors (43463).

365733961 is a wasteful number, since it uses less digits than its factorization.

365733961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43462.

The product of its digits is 306180, while the sum is 43.

The square root of 365733961 is about 19124.1721650899. The cubic root of 365733961 is about 715.1356522902.

The spelling of 365733961 in words is "three hundred sixty-five million, seven hundred thirty-three thousand, nine hundred sixty-one".