97190651 has 4 divisors (see below), whose sum is σ = 97211904. Its totient is φ = 97169400.

The previous prime is 97190633. The next prime is 97190657. The reversal of 97190651 is 15609179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97190651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97190657) 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, 635 + ... + 13956.

It is an arithmetic number, because the mean of its divisors is an integer number (24302976).

Almost surely, 2^97190651 is an apocalyptic number.

97190651 is a deficient number, since it is larger than the sum of its proper divisors (21253).

97190651 is a wasteful number, since it uses less digits than its factorization.

97190651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21252.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 97190651 is about 9858.5318886739. The cubic root of 97190651 is about 459.7709177559.

The spelling of 97190651 in words is "ninety-seven million, one hundred ninety thousand, six hundred fifty-one".