97133951 has 4 divisors (see below), whose sum is σ = 97409472. Its totient is φ = 96858432.

The previous prime is 97133941. The next prime is 97133989. The reversal of 97133951 is 15933179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15933179 = 487 ⋅32717.

It is a cyclic number.

It is not a de Polignac number, because 97133951 - 2⁶ = 97133887 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 (97133941) 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, 137231 + ... + 137936.

It is an arithmetic number, because the mean of its divisors is an integer number (24352368).

Almost surely, 2^97133951 is an apocalyptic number.

97133951 is a deficient number, since it is larger than the sum of its proper divisors (275521).

97133951 is a wasteful number, since it uses less digits than its factorization.

97133951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275520.

The product of its digits is 25515, while the sum is 38.

The square root of 97133951 is about 9855.6557874147. The cubic root of 97133951 is about 459.6814918633.

The spelling of 97133951 in words is "ninety-seven million, one hundred thirty-three thousand, nine hundred fifty-one".