961498459 has 2 divisors, whose sum is σ = 961498460. Its totient is φ = 961498458.

The previous prime is 961498453. The next prime is 961498501. The reversal of 961498459 is 954894169.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961498459 - 2¹⁷ = 961367387 is a prime.

It is not a weakly prime, because it can be changed into another prime (961498453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480749229 + 480749230.

It is an arithmetic number, because the mean of its divisors is an integer number (480749230).

Almost surely, 2^961498459 is an apocalyptic number.

961498459 is a deficient number, since it is larger than the sum of its proper divisors (1).

961498459 is an equidigital number, since it uses as much as digits as its factorization.

961498459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 55.

The square root of 961498459 is about 31008.0386190420. The cubic root of 961498459 is about 986.9978292562.

The spelling of 961498459 in words is "nine hundred sixty-one million, four hundred ninety-eight thousand, four hundred fifty-nine".