99572593 has 2 divisors, whose sum is σ = 99572594. Its totient is φ = 99572592.

The previous prime is 99572591. The next prime is 99572609. The reversal of 99572593 is 39527599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69355584 + 30217009 = 8328^2 + 5497^2 .

It is an emirp because it is prime and its reverse (39527599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99572593 - 2¹ = 99572591 is a prime.

Together with 99572591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99572591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49786296 + 49786297.

It is an arithmetic number, because the mean of its divisors is an integer number (49786297).

Almost surely, 2^99572593 is an apocalyptic number.

It is an amenable number.

99572593 is a deficient number, since it is larger than the sum of its proper divisors (1).

99572593 is an equidigital number, since it uses as much as digits as its factorization.

99572593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 765450, while the sum is 49.

The square root of 99572593 is about 9978.6067664780. The cubic root of 99572593 is about 463.4966564757.

The spelling of 99572593 in words is "ninety-nine million, five hundred seventy-two thousand, five hundred ninety-three".