499993253 has 2 divisors, whose sum is σ = 499993254. Its totient is φ = 499993252.

The previous prime is 499993229. The next prime is 499993267. The reversal of 499993253 is 352399994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404090404 + 95902849 = 20102^2 + 9793^2 .

It is a cyclic number.

It is not a de Polignac number, because 499993253 - 2¹⁶ = 499927717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499993195 and 499993204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499993453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249996626 + 249996627.

It is an arithmetic number, because the mean of its divisors is an integer number (249996627).

Almost surely, 2^499993253 is an apocalyptic number.

It is an amenable number.

499993253 is a deficient number, since it is larger than the sum of its proper divisors (1).

499993253 is an equidigital number, since it uses as much as digits as its factorization.

499993253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2361960, while the sum is 53.

The square root of 499993253 is about 22360.5289069825. The cubic root of 499993253 is about 793.6969559031.

The spelling of 499993253 in words is "four hundred ninety-nine million, nine hundred ninety-three thousand, two hundred fifty-three".