97654519 has 2 divisors, whose sum is σ = 97654520. Its totient is φ = 97654518.

The previous prime is 97654493. The next prime is 97654523. The reversal of 97654519 is 91545679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97654519 - 2²¹ = 95557367 is a prime.

It is a super-2 number, since 2×97654519² = 19072810162242722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97654549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48827259 + 48827260.

It is an arithmetic number, because the mean of its divisors is an integer number (48827260).

Almost surely, 2^97654519 is an apocalyptic number.

97654519 is a deficient number, since it is larger than the sum of its proper divisors (1).

97654519 is an equidigital number, since it uses as much as digits as its factorization.

97654519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 46.

The square root of 97654519 is about 9882.0301051960. The cubic root of 97654519 is about 460.5012164357.

The spelling of 97654519 in words is "ninety-seven million, six hundred fifty-four thousand, five hundred nineteen".