97432273 has 2 divisors, whose sum is σ = 97432274. Its totient is φ = 97432272.

The previous prime is 97432243. The next prime is 97432319. The reversal of 97432273 is 37223479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79691329 + 17740944 = 8927^2 + 4212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97432273 is a prime.

It is not a weakly prime, because it can be changed into another prime (97432213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48716136 + 48716137.

It is an arithmetic number, because the mean of its divisors is an integer number (48716137).

Almost surely, 2^97432273 is an apocalyptic number.

It is an amenable number.

97432273 is a deficient number, since it is larger than the sum of its proper divisors (1).

97432273 is an equidigital number, since it uses as much as digits as its factorization.

97432273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 97432273 is about 9870.7787433414. The cubic root of 97432273 is about 460.1516088168.

The spelling of 97432273 in words is "ninety-seven million, four hundred thirty-two thousand, two hundred seventy-three".