97275511 has 8 divisors (see below), whose sum is σ = 99493920. Its totient is φ = 95071392.

The previous prime is 97275469. The next prime is 97275517. The reversal of 97275511 is 11557279.

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 97275511 - 2¹⁹ = 96751223 is a prime.

It is a super-2 number, since 2×97275511² = 18925050080622242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97275517) 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, 10846 + ... + 17668.

It is an arithmetic number, because the mean of its divisors is an integer number (12436740).

Almost surely, 2^97275511 is an apocalyptic number.

97275511 is a deficient number, since it is larger than the sum of its proper divisors (2218409).

97275511 is a wasteful number, since it uses less digits than its factorization.

97275511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145.

The product of its digits is 22050, while the sum is 37.

The square root of 97275511 is about 9862.8348358877. The cubic root of 97275511 is about 459.9046919746.

The spelling of 97275511 in words is "ninety-seven million, two hundred seventy-five thousand, five hundred eleven".