97255801 has 4 divisors (see below), whose sum is σ = 97311604. Its totient is φ = 97200000.

The previous prime is 97255757. The next prime is 97255811. The reversal of 97255801 is 10855279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10855279 = 2281 ⋅4759.

It can be written as a sum of positive squares in 2 ways, for example, as 16687225 + 80568576 = 4085^2 + 8976^2 .

It is a 3-Lehmer number, since φ(97255801) divides (97255801-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97255801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97255811) 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, 25200 + ... + 28801.

It is an arithmetic number, because the mean of its divisors is an integer number (24327901).

It is a Poulet number, since it divides 2^97255800-1.

Almost surely, 2^97255801 is an apocalyptic number.

It is an amenable number.

97255801 is a deficient number, since it is larger than the sum of its proper divisors (55803).

97255801 is a wasteful number, since it uses less digits than its factorization.

97255801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55802.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 97255801 is about 9861.8355796474. The cubic root of 97255801 is about 459.8736278569.

The spelling of 97255801 in words is "ninety-seven million, two hundred fifty-five thousand, eight hundred one".