961923501 has 72 divisors (see below), whose sum is σ = 1755778752. Its totient is φ = 496742400.

The previous prime is 961923463. The next prime is 961923517. The reversal of 961923501 is 105329169.

961923501 is a `hidden beast` number, since 9 + 61 + 92 + 3 + 501 = 666.

It is not a de Polignac number, because 961923501 - 2⁹ = 961922989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961923581) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 1958866 + ... + 1959356.

It is an arithmetic number, because the mean of its divisors is an integer number (24385816).

Almost surely, 2^961923501 is an apocalyptic number.

It is an amenable number.

961923501 is a deficient number, since it is larger than the sum of its proper divisors (793855251).

961923501 is a wasteful number, since it uses less digits than its factorization.

961923501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 961923501 is about 31014.8916006489. The cubic root of 961923501 is about 987.1432459320.

The spelling of 961923501 in words is "nine hundred sixty-one million, nine hundred twenty-three thousand, five hundred one".