97113149 has 6 divisors (see below), whose sum is σ = 112968414. Its totient is φ = 83239800.

The previous prime is 97113143. The next prime is 97113167. The reversal of 97113149 is 94131179.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62125924 + 34987225 = 7882^2 + 5915^2 .

It is a de Polignac number, because none of the positive numbers 2^k-97113149 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 (97113143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 990902 + ... + 990999.

It is an arithmetic number, because the mean of its divisors is an integer number (18828069).

Almost surely, 2^97113149 is an apocalyptic number.

It is an amenable number.

97113149 is a deficient number, since it is larger than the sum of its proper divisors (15855265).

97113149 is a wasteful number, since it uses less digits than its factorization.

97113149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981915 (or 1981908 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 97113149 is about 9854.6003977838. The cubic root of 97113149 is about 459.6486747176.

The spelling of 97113149 in words is "ninety-seven million, one hundred thirteen thousand, one hundred forty-nine".