961091097 has 8 divisors (see below), whose sum is σ = 1281685440. Its totient is φ = 640612080.

The previous prime is 961091083. The next prime is 961091099. The reversal of 961091097 is 790190169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 961091097 - 2¹⁴ = 961074713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (961091099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7029 + ... + 44402.

It is an arithmetic number, because the mean of its divisors is an integer number (160210680).

Almost surely, 2^961091097 is an apocalyptic number.

It is an amenable number.

961091097 is a deficient number, since it is larger than the sum of its proper divisors (320594343).

961091097 is a wasteful number, since it uses less digits than its factorization.

961091097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57663.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 961091097 is about 31001.4692716329. The cubic root of 961091097 is about 986.8584210922.

The spelling of 961091097 in words is "nine hundred sixty-one million, ninety-one thousand, ninety-seven".