97009559 has 2 divisors, whose sum is σ = 97009560. Its totient is φ = 97009558.

The previous prime is 97009543. The next prime is 97009621. The reversal of 97009559 is 95590079.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97009559 - 2⁴ = 97009543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97009529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48504779 + 48504780.

It is an arithmetic number, because the mean of its divisors is an integer number (48504780).

Almost surely, 2^97009559 is an apocalyptic number.

97009559 is a deficient number, since it is larger than the sum of its proper divisors (1).

97009559 is an equidigital number, since it uses as much as digits as its factorization.

97009559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127575, while the sum is 44.

The square root of 97009559 is about 9849.3430745406. The cubic root of 97009559 is about 459.4851817647.

The spelling of 97009559 in words is "ninety-seven million, nine thousand, five hundred fifty-nine".