98999573 has 2 divisors, whose sum is σ = 98999574. Its totient is φ = 98999572.

The previous prime is 98999539. The next prime is 98999587. The reversal of 98999573 is 37599989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83302129 + 15697444 = 9127^2 + 3962^2 .

It is a cyclic number.

It is not a de Polignac number, because 98999573 - 2⁸ = 98999317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98999513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49499786 + 49499787.

It is an arithmetic number, because the mean of its divisors is an integer number (49499787).

Almost surely, 2^98999573 is an apocalyptic number.

It is an amenable number.

98999573 is a deficient number, since it is larger than the sum of its proper divisors (1).

98999573 is an equidigital number, since it uses as much as digits as its factorization.

98999573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5511240, while the sum is 59.

The square root of 98999573 is about 9949.8529134857. The cubic root of 98999573 is about 462.6058358231.

The spelling of 98999573 in words is "ninety-eight million, nine hundred ninety-nine thousand, five hundred seventy-three".