97575161 has 4 divisors (see below), whose sum is σ = 98438772. Its totient is φ = 96711552.

The previous prime is 97575157. The next prime is 97575167. The reversal of 97575161 is 16157579.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1142761 + 96432400 = 1069^2 + 9820^2 .

It is a cyclic number.

It is not a de Polignac number, because 97575161 - 2² = 97575157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97575167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431636 + ... + 431861.

It is an arithmetic number, because the mean of its divisors is an integer number (24609693).

Almost surely, 2^97575161 is an apocalyptic number.

It is an amenable number.

97575161 is a deficient number, since it is larger than the sum of its proper divisors (863611).

97575161 is a wasteful number, since it uses less digits than its factorization.

97575161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863610.

The product of its digits is 66150, while the sum is 41.

The square root of 97575161 is about 9878.0140210469. The cubic root of 97575161 is about 460.3764420113.

The spelling of 97575161 in words is "ninety-seven million, five hundred seventy-five thousand, one hundred sixty-one".