97001951 has 2 divisors, whose sum is σ = 97001952. Its totient is φ = 97001950.

The previous prime is 97001923. The next prime is 97001969. The reversal of 97001951 is 15910079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97001951 - 2⁶ = 97001887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97001911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48500975 + 48500976.

It is an arithmetic number, because the mean of its divisors is an integer number (48500976).

Almost surely, 2^97001951 is an apocalyptic number.

97001951 is a deficient number, since it is larger than the sum of its proper divisors (1).

97001951 is an equidigital number, since it uses as much as digits as its factorization.

97001951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 97001951 is about 9848.9568483165. The cubic root of 97001951 is about 459.4731697023.

The spelling of 97001951 in words is "ninety-seven million, one thousand, nine hundred fifty-one".