365525563 has 4 divisors (see below), whose sum is σ = 393642928. Its totient is φ = 337408200.

The previous prime is 365525561. The next prime is 365525579.

365525563 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 365525563 - 2¹ = 365525561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365525561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14058663 + ... + 14058688.

It is an arithmetic number, because the mean of its divisors is an integer number (98410732).

Almost surely, 2^365525563 is an apocalyptic number.

365525563 is a deficient number, since it is larger than the sum of its proper divisors (28117365).

365525563 is a wasteful number, since it uses less digits than its factorization.

365525563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28117364.

The product of its digits is 405000, while the sum is 40.

The square root of 365525563 is about 19118.7228391438. The cubic root of 365525563 is about 714.9997965670. Note that the first 3 decimals are identical.

The spelling of 365525563 in words is "three hundred sixty-five million, five hundred twenty-five thousand, five hundred sixty-three".