97343557 has 2 divisors, whose sum is σ = 97343558. Its totient is φ = 97343556.

The previous prime is 97343551. The next prime is 97343579. The reversal of 97343557 is 75534379.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96157636 + 1185921 = 9806^2 + 1089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97343557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97343551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48671778 + 48671779.

It is an arithmetic number, because the mean of its divisors is an integer number (48671779).

Almost surely, 2^97343557 is an apocalyptic number.

It is an amenable number.

97343557 is a deficient number, since it is larger than the sum of its proper divisors (1).

97343557 is an equidigital number, since it uses as much as digits as its factorization.

97343557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 43.

The square root of 97343557 is about 9866.2838495555. The cubic root of 97343557 is about 460.0119042288.

The spelling of 97343557 in words is "ninety-seven million, three hundred forty-three thousand, five hundred fifty-seven".