961823017 has 2 divisors, whose sum is σ = 961823018. Its totient is φ = 961823016.

The previous prime is 961822987. The next prime is 961823053. The reversal of 961823017 is 710328169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 928055296 + 33767721 = 30464^2 + 5811^2 .

It is an emirp because it is prime and its reverse (710328169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961823017 - 2¹⁹ = 961298729 is a prime.

It is not a weakly prime, because it can be changed into another prime (961823617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480911508 + 480911509.

It is an arithmetic number, because the mean of its divisors is an integer number (480911509).

Almost surely, 2^961823017 is an apocalyptic number.

It is an amenable number.

961823017 is a deficient number, since it is larger than the sum of its proper divisors (1).

961823017 is an equidigital number, since it uses as much as digits as its factorization.

961823017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 961823017 is about 31013.2716268374. The cubic root of 961823017 is about 987.1088719041.

It can be divided in two parts, 96182 and 3017, that added together give a palindrome (99199).

The spelling of 961823017 in words is "nine hundred sixty-one million, eight hundred twenty-three thousand, seventeen".