961274455 has 8 divisors (see below), whose sum is σ = 1193306400. Its totient is φ = 742501536.

The previous prime is 961274423. The next prime is 961274471. The reversal of 961274455 is 554472169.

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

It is a cyclic number.

It is not a de Polignac number, because 961274455 - 2⁵ = 961274423 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3314595 + ... + 3314884.

It is an arithmetic number, because the mean of its divisors is an integer number (149163300).

Almost surely, 2^961274455 is an apocalyptic number.

961274455 is a deficient number, since it is larger than the sum of its proper divisors (232031945).

961274455 is a wasteful number, since it uses less digits than its factorization.

961274455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629513.

The product of its digits is 302400, while the sum is 43.

The square root of 961274455 is about 31004.4263775352. The cubic root of 961274455 is about 986.9211750742.

The spelling of 961274455 in words is "nine hundred sixty-one million, two hundred seventy-four thousand, four hundred fifty-five".