97201651 has 2 divisors, whose sum is σ = 97201652. Its totient is φ = 97201650.

The previous prime is 97201633. The next prime is 97201669. The reversal of 97201651 is 15610279.

It is a balanced prime because it is at equal distance from previous prime (97201633) and next prime (97201669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97201651 is a prime.

It is a Chen prime.

It is equal to p_5609443 and since 97201651 and 5609443 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (97201681) 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 as a sum of consecutive naturals, namely, 48600825 + 48600826.

It is an arithmetic number, because the mean of its divisors is an integer number (48600826).

Almost surely, 2^97201651 is an apocalyptic number.

97201651 is a deficient number, since it is larger than the sum of its proper divisors (1).

97201651 is an equidigital number, since it uses as much as digits as its factorization.

97201651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 97201651 is about 9859.0897652877. The cubic root of 97201651 is about 459.7882626660.

The spelling of 97201651 in words is "ninety-seven million, two hundred one thousand, six hundred fifty-one".