499075589 has 2 divisors, whose sum is σ = 499075590. Its totient is φ = 499075588.

The previous prime is 499075567. The next prime is 499075601. The reversal of 499075589 is 985570994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414122500 + 84953089 = 20350^2 + 9217^2 .

It is a cyclic number.

It is not a de Polignac number, because 499075589 - 2⁸ = 499075333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499075289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249537794 + 249537795.

It is an arithmetic number, because the mean of its divisors is an integer number (249537795).

Almost surely, 2^499075589 is an apocalyptic number.

It is an amenable number.

499075589 is a deficient number, since it is larger than the sum of its proper divisors (1).

499075589 is an equidigital number, since it uses as much as digits as its factorization.

499075589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The square root of 499075589 is about 22339.9997538048. Note that the first 3 decimals coincide. The cubic root of 499075589 is about 793.2110872337.

The spelling of 499075589 in words is "four hundred ninety-nine million, seventy-five thousand, five hundred eighty-nine".