365969563 has 4 divisors (see below), whose sum is σ = 368085168. Its totient is φ = 363853960.

The previous prime is 365969551. The next prime is 365969579.

It is a happy number.

365969563 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 365969563 - 2¹³ = 365961371 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 365969563.

It is not an unprimeable number, because it can be changed into a prime (365969503) 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, 1057543 + ... + 1057888.

It is an arithmetic number, because the mean of its divisors is an integer number (92021292).

Almost surely, 2^365969563 is an apocalyptic number.

365969563 is a deficient number, since it is larger than the sum of its proper divisors (2115605).

365969563 is a wasteful number, since it uses less digits than its factorization.

365969563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115604.

The product of its digits is 3936600, while the sum is 52.

The square root of 365969563 is about 19130.3309694318. The cubic root of 365969563 is about 715.2891803020.

The spelling of 365969563 in words is "three hundred sixty-five million, nine hundred sixty-nine thousand, five hundred sixty-three".