97432319 has 2 divisors, whose sum is σ = 97432320. Its totient is φ = 97432318.

The previous prime is 97432273. The next prime is 97432327. The reversal of 97432319 is 91323479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97432319 - 2¹² = 97428223 is a prime.

It is a super-2 number, since 2×97432319² = 18986113571435522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97432339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48716159 + 48716160.

It is an arithmetic number, because the mean of its divisors is an integer number (48716160).

Almost surely, 2^97432319 is an apocalyptic number.

97432319 is a deficient number, since it is larger than the sum of its proper divisors (1).

97432319 is an equidigital number, since it uses as much as digits as its factorization.

97432319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 97432319 is about 9870.7810734511. The cubic root of 97432319 is about 460.1516812328.

The spelling of 97432319 in words is "ninety-seven million, four hundred thirty-two thousand, three hundred nineteen".