97591065 has 32 divisors (see below), whose sum is σ = 183447936. Its totient is φ = 43676160.

The previous prime is 97591027. The next prime is 97591121. The reversal of 97591065 is 56019579.

It is not a de Polignac number, because 97591065 - 2¹⁰ = 97590041 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20604 + ... + 24893.

It is an arithmetic number, because the mean of its divisors is an integer number (5732748).

Almost surely, 2^97591065 is an apocalyptic number.

It is an amenable number.

97591065 is a deficient number, since it is larger than the sum of its proper divisors (85856871).

97591065 is a wasteful number, since it uses less digits than its factorization.

97591065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45529.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 97591065 is about 9878.8190083633. The cubic root of 97591065 is about 460.4014532577.

The spelling of 97591065 in words is "ninety-seven million, five hundred ninety-one thousand, sixty-five".