961722053 has 8 divisors (see below), whose sum is σ = 970239360. Its totient is φ = 953226720.

The previous prime is 961722049. The next prime is 961722059. The reversal of 961722053 is 350227169.

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 961722053 - 2² = 961722049 is a prime.

It is a super-3 number, since 3×961722053³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961722059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89588 + ... + 99746.

It is an arithmetic number, because the mean of its divisors is an integer number (121279920).

Almost surely, 2^961722053 is an apocalyptic number.

It is an amenable number.

961722053 is a deficient number, since it is larger than the sum of its proper divisors (8517307).

961722053 is a wasteful number, since it uses less digits than its factorization.

961722053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 961722053 is about 31011.6438293748. The cubic root of 961722053 is about 987.0743312641.

The spelling of 961722053 in words is "nine hundred sixty-one million, seven hundred twenty-two thousand, fifty-three".