499994533 has 2 divisors, whose sum is σ = 499994534. Its totient is φ = 499994532.

The previous prime is 499994489. The next prime is 499994543. The reversal of 499994533 is 335499994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270865764 + 229128769 = 16458^2 + 15137^2 .

It is a cyclic number.

It is not a de Polignac number, because 499994533 - 2²¹ = 497897381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499994543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249997266 + 249997267.

It is an arithmetic number, because the mean of its divisors is an integer number (249997267).

Almost surely, 2^499994533 is an apocalyptic number.

It is an amenable number.

499994533 is a deficient number, since it is larger than the sum of its proper divisors (1).

499994533 is an equidigital number, since it uses as much as digits as its factorization.

499994533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4723920, while the sum is 55.

The square root of 499994533 is about 22360.5575288274. The cubic root of 499994533 is about 793.6976331997.

The spelling of 499994533 in words is "four hundred ninety-nine million, nine hundred ninety-four thousand, five hundred thirty-three".