97018405 has 24 divisors (see below), whose sum is σ = 135509976. Its totient is φ = 66401280.

The previous prime is 97018373. The next prime is 97018429. The reversal of 97018405 is 50481079.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28227969 + 68790436 = 5313^2 + 8294^2 .

It is not a de Polignac number, because 97018405 - 2⁵ = 97018373 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5569 + ... + 15001.

It is an arithmetic number, because the mean of its divisors is an integer number (5646249).

Almost surely, 2^97018405 is an apocalyptic number.

It is an amenable number.

97018405 is a deficient number, since it is larger than the sum of its proper divisors (38491571).

97018405 is a wasteful number, since it uses less digits than its factorization.

97018405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9477 (or 9466 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 97018405 is about 9849.7921297863. The cubic root of 97018405 is about 459.4991476819.

The spelling of 97018405 in words is "ninety-seven million, eighteen thousand, four hundred five".