97117901 has 4 divisors (see below), whose sum is σ = 97165404. Its totient is φ = 97070400.

The previous prime is 97117883. The next prime is 97117913. The reversal of 97117901 is 10971179.

It is a happy number.

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 41615401 + 55502500 = 6451^2 + 7450^2 .

It is a cyclic number.

It is not a de Polignac number, because 97117901 - 2⁶ = 97117837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97117921) 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, 20540 + ... + 24821.

It is an arithmetic number, because the mean of its divisors is an integer number (24291351).

Almost surely, 2^97117901 is an apocalyptic number.

It is an amenable number.

97117901 is a deficient number, since it is larger than the sum of its proper divisors (47503).

97117901 is a wasteful number, since it uses less digits than its factorization.

97117901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47502.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 97117901 is about 9854.8415005012. The cubic root of 97117901 is about 459.6561718653.

The spelling of 97117901 in words is "ninety-seven million, one hundred seventeen thousand, nine hundred one".