99040573 has 2 divisors, whose sum is σ = 99040574. Its totient is φ = 99040572.

The previous prime is 99040549. The next prime is 99040607. The reversal of 99040573 is 37504099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72641529 + 26399044 = 8523^2 + 5138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99040573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99040273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49520286 + 49520287.

It is an arithmetic number, because the mean of its divisors is an integer number (49520287).

Almost surely, 2^99040573 is an apocalyptic number.

It is an amenable number.

99040573 is a deficient number, since it is larger than the sum of its proper divisors (1).

99040573 is an equidigital number, since it uses as much as digits as its factorization.

99040573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 99040573 is about 9951.9130321763. The cubic root of 99040573 is about 462.6696886963.

The spelling of 99040573 in words is "ninety-nine million, forty thousand, five hundred seventy-three".