97654331 has 2 divisors, whose sum is σ = 97654332. Its totient is φ = 97654330.

The previous prime is 97654321. The next prime is 97654369. The reversal of 97654331 is 13345679.

It is a happy number.

It is an a-pointer prime, because the next prime (97654369) can be obtained adding 97654331 to its sum of digits (38).

It is a weak prime.

It is an emirp because it is prime and its reverse (13345679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97654331 - 2²⁶ = 30545467 is a prime.

It is a super-2 number, since 2×97654331² = 19072736726115122, which contains 22 as substring.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (97654301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48827165 + 48827166.

It is an arithmetic number, because the mean of its divisors is an integer number (48827166).

Almost surely, 2^97654331 is an apocalyptic number.

97654331 is a deficient number, since it is larger than the sum of its proper divisors (1).

97654331 is an equidigital number, since it uses as much as digits as its factorization.

97654331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 97654331 is about 9882.0205929759. The cubic root of 97654331 is about 460.5009209235.

The spelling of 97654331 in words is "ninety-seven million, six hundred fifty-four thousand, three hundred thirty-one".