9131601 has 8 divisors (see below), whose sum is σ = 12891744. Its totient is φ = 5729600.

The previous prime is 9131599. The next prime is 9131611. The reversal of 9131601 is 1061319.

It is a happy number.

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 9131601 - 2¹ = 9131599 is a prime.

It is a super-2 number, since 2×9131601² = 166772273646402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9131611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89475 + ... + 89576.

It is an arithmetic number, because the mean of its divisors is an integer number (1611468).

Almost surely, 2^9131601 is an apocalyptic number.

It is an amenable number.

9131601 is a deficient number, since it is larger than the sum of its proper divisors (3760143).

9131601 is a wasteful number, since it uses less digits than its factorization.

9131601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179071.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 9131601 is about 3021.8539011673. The cubic root of 9131601 is about 209.0173363823.

The spelling of 9131601 in words is "nine million, one hundred thirty-one thousand, six hundred one".