97472591 has 2 divisors, whose sum is σ = 97472592. Its totient is φ = 97472590.

The previous prime is 97472581. The next prime is 97472651. The reversal of 97472591 is 19527479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97472591 - 2¹⁰ = 97471567 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 (97472561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48736295 + 48736296.

It is an arithmetic number, because the mean of its divisors is an integer number (48736296).

Almost surely, 2^97472591 is an apocalyptic number.

97472591 is a deficient number, since it is larger than the sum of its proper divisors (1).

97472591 is an equidigital number, since it uses as much as digits as its factorization.

97472591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 97472591 is about 9872.8208228449. The cubic root of 97472591 is about 460.2150711363.

The spelling of 97472591 in words is "ninety-seven million, four hundred seventy-two thousand, five hundred ninety-one".