97919 has 2 divisors, whose sum is σ = 97920. Its totient is φ = 97918.

The previous prime is 97883. The next prime is 97927. The reversal of 97919 is 91979.

It is a happy number.

97919 is nontrivially palindromic in base 13.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97919 is a prime.

It is a super-2 number, since 2×97919² = 19176261122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48959 + 48960.

It is an arithmetic number, because the mean of its divisors is an integer number (48960).

2⁹⁷⁹¹⁹ is an apocalyptic number.

97919 is a deficient number, since it is larger than the sum of its proper divisors (1).

97919 is an equidigital number, since it uses as much as digits as its factorization.

97919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103, while the sum is 35.

The square root of 97919 is about 312.9201176019. The cubic root of 97919 is about 46.0916571969.

The spelling of 97919 in words is "ninety-seven thousand, nine hundred nineteen".