97371551 has 2 divisors, whose sum is σ = 97371552. Its totient is φ = 97371550.

The previous prime is 97371539. The next prime is 97371577. The reversal of 97371551 is 15517379.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97371551 - 2¹⁰ = 97370527 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 (97371511) 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, 48685775 + 48685776.

It is an arithmetic number, because the mean of its divisors is an integer number (48685776).

Almost surely, 2^97371551 is an apocalyptic number.

97371551 is a deficient number, since it is larger than the sum of its proper divisors (1).

97371551 is an equidigital number, since it uses as much as digits as its factorization.

97371551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33075, while the sum is 38.

The square root of 97371551 is about 9867.7024174830. The cubic root of 97371551 is about 460.0559966488.

The spelling of 97371551 in words is "ninety-seven million, three hundred seventy-one thousand, five hundred fifty-one".