365949563 has 8 divisors (see below), whose sum is σ = 422369760. Its totient is φ = 310564800.

The previous prime is 365949541. The next prime is 365949581.

365949563 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 365949563 - 2¹² = 365945467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365949593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258098 + ... + 259511.

It is an arithmetic number, because the mean of its divisors is an integer number (52796220).

Almost surely, 2^365949563 is an apocalyptic number.

365949563 is a deficient number, since it is larger than the sum of its proper divisors (56420197).

365949563 is a wasteful number, since it uses less digits than its factorization.

365949563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517717.

The product of its digits is 2624400, while the sum is 50.

The square root of 365949563 is about 19129.8082321805. The cubic root of 365949563 is about 715.2761500342.

The spelling of 365949563 in words is "three hundred sixty-five million, nine hundred forty-nine thousand, five hundred sixty-three".