961500681 has 36 divisors (see below), whose sum is σ = 1510869360. Its totient is φ = 587574000.

The previous prime is 961500679. The next prime is 961500689. The reversal of 961500681 is 186005169.

961500681 is a `hidden beast` number, since 96 + 1 + 500 + 68 + 1 = 666.

961500681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 961500681 - 2¹ = 961500679 is a prime.

It is a super-2 number, since 2×961500681² = 1848967119126927522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (961500689) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 161406 + ... + 167256.

Almost surely, 2^961500681 is an apocalyptic number.

It is an amenable number.

961500681 is a deficient number, since it is larger than the sum of its proper divisors (549368679).

961500681 is a wasteful number, since it uses less digits than its factorization.

961500681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5938 (or 5904 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 961500681 is about 31008.0744484400. The cubic root of 961500681 is about 986.9985895651.

The spelling of 961500681 in words is "nine hundred sixty-one million, five hundred thousand, six hundred eighty-one".