97180451 has 4 divisors (see below), whose sum is σ = 101405712. Its totient is φ = 92955192.

The previous prime is 97180417. The next prime is 97180477. The reversal of 97180451 is 15408179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15408179 = 421 ⋅36599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97180451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97180411) 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, 2112596 + ... + 2112641.

It is an arithmetic number, because the mean of its divisors is an integer number (25351428).

Almost surely, 2^97180451 is an apocalyptic number.

97180451 is a deficient number, since it is larger than the sum of its proper divisors (4225261).

97180451 is a wasteful number, since it uses less digits than its factorization.

97180451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225260.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 97180451 is about 9858.0145566945. The cubic root of 97180451 is about 459.7548331244.

The spelling of 97180451 in words is "ninety-seven million, one hundred eighty thousand, four hundred fifty-one".