961922563 has 4 divisors (see below), whose sum is σ = 1099340080. Its totient is φ = 824505048.

The previous prime is 961922561. The next prime is 961922567. The reversal of 961922563 is 365229169.

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 961922563 - 2¹ = 961922561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961922561) 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, 68708748 + ... + 68708761.

It is an arithmetic number, because the mean of its divisors is an integer number (274835020).

Almost surely, 2^961922563 is an apocalyptic number.

961922563 is a deficient number, since it is larger than the sum of its proper divisors (137417517).

961922563 is a wasteful number, since it uses less digits than its factorization.

961922563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137417516.

The product of its digits is 174960, while the sum is 43.

The square root of 961922563 is about 31014.8764788770. The cubic root of 961922563 is about 987.1429250678.

The spelling of 961922563 in words is "nine hundred sixty-one million, nine hundred twenty-two thousand, five hundred sixty-three".