97321001 has 2 divisors, whose sum is σ = 97321002. Its totient is φ = 97321000.

The previous prime is 97320967. The next prime is 97321019. The reversal of 97321001 is 10012379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52417600 + 44903401 = 7240^2 + 6701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97321001 is a prime.

It is not a weakly prime, because it can be changed into another prime (97321501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48660500 + 48660501.

It is an arithmetic number, because the mean of its divisors is an integer number (48660501).

Almost surely, 2^97321001 is an apocalyptic number.

It is an amenable number.

97321001 is a deficient number, since it is larger than the sum of its proper divisors (1).

97321001 is an equidigital number, since it uses as much as digits as its factorization.

97321001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 97321001 is about 9865.1406984391. The cubic root of 97321001 is about 459.9763708719.

The spelling of 97321001 in words is "ninety-seven million, three hundred twenty-one thousand, one".