97609619 has 2 divisors, whose sum is σ = 97609620. Its totient is φ = 97609618.

The previous prime is 97609601. The next prime is 97609649. The reversal of 97609619 is 91690679.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (91690679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97609619 - 2¹² = 97605523 is a prime.

It is a super-2 number, since 2×97609619² = 19055275442650322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97609649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48804809 + 48804810.

It is an arithmetic number, because the mean of its divisors is an integer number (48804810).

Almost surely, 2^97609619 is an apocalyptic number.

97609619 is a deficient number, since it is larger than the sum of its proper divisors (1).

97609619 is an equidigital number, since it uses as much as digits as its factorization.

97609619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 97609619 is about 9879.7580435960. The cubic root of 97609619 is about 460.4306285627.

The spelling of 97609619 in words is "ninety-seven million, six hundred nine thousand, six hundred nineteen".