198072583 has 2 divisors, whose sum is σ = 198072584. Its totient is φ = 198072582.

The previous prime is 198072557. The next prime is 198072631. The reversal of 198072583 is 385270891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198072583 - 2⁹ = 198072071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198072503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99036291 + 99036292.

It is an arithmetic number, because the mean of its divisors is an integer number (99036292).

Almost surely, 2^198072583 is an apocalyptic number.

198072583 is a deficient number, since it is larger than the sum of its proper divisors (1).

198072583 is an equidigital number, since it uses as much as digits as its factorization.

198072583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 198072583 is about 14073.8261677484. The cubic root of 198072583 is about 582.9188798807.

The spelling of 198072583 in words is "one hundred ninety-eight million, seventy-two thousand, five hundred eighty-three".