97260509 has 4 divisors (see below), whose sum is σ = 97314204. Its totient is φ = 97206816.

The previous prime is 97260469. The next prime is 97260511. The reversal of 97260509 is 90506279.

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 48302500 + 48958009 = 6950^2 + 6997^2 .

It is a cyclic number.

It is not a de Polignac number, because 97260509 - 2⁸ = 97260253 is a prime.

It is a super-2 number, since 2×97260509² = 18919213221878162, 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 (97220509) 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, 24032 + ... + 27785.

It is an arithmetic number, because the mean of its divisors is an integer number (24328551).

Almost surely, 2^97260509 is an apocalyptic number.

It is an amenable number.

97260509 is a deficient number, since it is larger than the sum of its proper divisors (53695).

97260509 is a wasteful number, since it uses less digits than its factorization.

97260509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53694.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 97260509 is about 9862.0742747152. The cubic root of 97260509 is about 459.8810483229.

The spelling of 97260509 in words is "ninety-seven million, two hundred sixty thousand, five hundred nine".