97556257 has 8 divisors (see below), whose sum is σ = 98386560. Its totient is φ = 96729360.

The previous prime is 97556243. The next prime is 97556267. The reversal of 97556257 is 75265579.

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

It is a cyclic number.

It is not a de Polignac number, because 97556257 - 2¹¹ = 97554209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97556227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106632 + ... + 107542.

It is an arithmetic number, because the mean of its divisors is an integer number (12298320).

Almost surely, 2^97556257 is an apocalyptic number.

It is an amenable number.

97556257 is a deficient number, since it is larger than the sum of its proper divisors (830303).

97556257 is a wasteful number, since it uses less digits than its factorization.

97556257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its digits is 661500, while the sum is 46.

The square root of 97556257 is about 9877.0571021940. The cubic root of 97556257 is about 460.3467093135.

The spelling of 97556257 in words is "ninety-seven million, five hundred fifty-six thousand, two hundred fifty-seven".