97118951 has 4 divisors (see below), whose sum is σ = 97622352. Its totient is φ = 96615552.

The previous prime is 97118929. The next prime is 97118963. The reversal of 97118951 is 15981179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15981179 = 1597 ⋅10007.

It is a cyclic number.

It is not a de Polignac number, because 97118951 - 2²² = 92924647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97118899 and 97118908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97118911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251411 + ... + 251796.

It is an arithmetic number, because the mean of its divisors is an integer number (24405588).

Almost surely, 2^97118951 is an apocalyptic number.

97118951 is a deficient number, since it is larger than the sum of its proper divisors (503401).

97118951 is a wasteful number, since it uses less digits than its factorization.

97118951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503400.

The product of its digits is 22680, while the sum is 41.

The square root of 97118951 is about 9854.8947736645. The cubic root of 97118951 is about 459.6578283991.

The spelling of 97118951 in words is "ninety-seven million, one hundred eighteen thousand, nine hundred fifty-one".