97831403 has 2 divisors, whose sum is σ = 97831404. Its totient is φ = 97831402.

The previous prime is 97831369. The next prime is 97831429. The reversal of 97831403 is 30413879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97831403 - 2²⁴ = 81054187 is a prime.

It is not a weakly prime, because it can be changed into another prime (97831483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48915701 + 48915702.

It is an arithmetic number, because the mean of its divisors is an integer number (48915702).

Almost surely, 2^97831403 is an apocalyptic number.

97831403 is a deficient number, since it is larger than the sum of its proper divisors (1).

97831403 is an equidigital number, since it uses as much as digits as its factorization.

97831403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 97831403 is about 9890.9758365896. The cubic root of 97831403 is about 460.7790877408.

The spelling of 97831403 in words is "ninety-seven million, eight hundred thirty-one thousand, four hundred three".