961456351 has 4 divisors (see below), whose sum is σ = 992471104. Its totient is φ = 930441600.

The previous prime is 961456339. The next prime is 961456367. The reversal of 961456351 is 153654169.

It is a happy number.

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 961456351 - 2⁹ = 961455839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961456381) 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, 15507330 + ... + 15507391.

It is an arithmetic number, because the mean of its divisors is an integer number (248117776).

Almost surely, 2^961456351 is an apocalyptic number.

961456351 is a deficient number, since it is larger than the sum of its proper divisors (31014753).

961456351 is a wasteful number, since it uses less digits than its factorization.

961456351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31014752.

The product of its digits is 97200, while the sum is 40.

The square root of 961456351 is about 31007.3596263855. The cubic root of 961456351 is about 986.9834208048.

The spelling of 961456351 in words is "nine hundred sixty-one million, four hundred fifty-six thousand, three hundred fifty-one".