97340581 has 4 divisors (see below), whose sum is σ = 104828332. Its totient is φ = 89852832.

The previous prime is 97340569. The next prime is 97340587. The reversal of 97340581 is 18504379.

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 5832225 + 91508356 = 2415^2 + 9566^2 .

It is a cyclic number.

It is not a de Polignac number, because 97340581 - 2¹¹ = 97338533 is a prime.

It is a super-2 number, since 2×97340581² = 18950377418835122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97340581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97340587) 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, 3743856 + ... + 3743881.

It is an arithmetic number, because the mean of its divisors is an integer number (26207083).

Almost surely, 2^97340581 is an apocalyptic number.

It is an amenable number.

97340581 is a deficient number, since it is larger than the sum of its proper divisors (7487751).

97340581 is a wasteful number, since it uses less digits than its factorization.

97340581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7487750.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 97340581 is about 9866.1330317404. The cubic root of 97340581 is about 460.0072163329.

The spelling of 97340581 in words is "ninety-seven million, three hundred forty thousand, five hundred eighty-one".