97551065 has 4 divisors (see below), whose sum is σ = 117061284. Its totient is φ = 78040848.

The previous prime is 97551019. The next prime is 97551071. The reversal of 97551065 is 56015579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56015579 = 617 ⋅90787.

It can be written as a sum of positive squares in 2 ways, for example, as 77721856 + 19829209 = 8816^2 + 4453^2 .

It is a cyclic number.

It is not a de Polignac number, because 97551065 - 2⁶ = 97551001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9755102 + ... + 9755111.

It is an arithmetic number, because the mean of its divisors is an integer number (29265321).

Almost surely, 2^97551065 is an apocalyptic number.

It is an amenable number.

97551065 is a deficient number, since it is larger than the sum of its proper divisors (19510219).

97551065 is a wasteful number, since it uses less digits than its factorization.

97551065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19510218.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 97551065 is about 9876.7942673724. The cubic root of 97551065 is about 460.3385425299.

The spelling of 97551065 in words is "ninety-seven million, five hundred fifty-one thousand, sixty-five".