97018619 has 2 divisors, whose sum is σ = 97018620. Its totient is φ = 97018618.

The previous prime is 97018583. The next prime is 97018651. The reversal of 97018619 is 91681079.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97018619 - 2¹⁶ = 96953083 is a prime.

It is a super-2 number, since 2×97018619² = 18825224865334322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97018319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48509309 + 48509310.

It is an arithmetic number, because the mean of its divisors is an integer number (48509310).

Almost surely, 2^97018619 is an apocalyptic number.

97018619 is a deficient number, since it is larger than the sum of its proper divisors (1).

97018619 is an equidigital number, since it uses as much as digits as its factorization.

97018619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 97018619 is about 9849.8029929537. The cubic root of 97018619 is about 459.4994855310.

The spelling of 97018619 in words is "ninety-seven million, eighteen thousand, six hundred nineteen".