97420651 has 4 divisors (see below), whose sum is σ = 97503912. Its totient is φ = 97337392.

The previous prime is 97420643. The next prime is 97420679. The reversal of 97420651 is 15602479.

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

It is a cyclic number.

It is not a de Polignac number, because 97420651 - 2³ = 97420643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97420621) 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, 39850 + ... + 42223.

It is an arithmetic number, because the mean of its divisors is an integer number (24375978).

Almost surely, 2^97420651 is an apocalyptic number.

97420651 is a deficient number, since it is larger than the sum of its proper divisors (83261).

97420651 is a wasteful number, since it uses less digits than its factorization.

97420651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83260.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 97420651 is about 9870.1900184343. The cubic root of 97420651 is about 460.1333120229.

The spelling of 97420651 in words is "ninety-seven million, four hundred twenty thousand, six hundred fifty-one".