999424253 has 2 divisors, whose sum is σ = 999424254. Its totient is φ = 999424252.

The previous prime is 999424219. The next prime is 999424259. The reversal of 999424253 is 352424999.

999424253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838565764 + 160858489 = 28958^2 + 12683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999424253 is a prime.

It is equal to p_50819969 and since 999424253 and 50819969 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 999424198 and 999424207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999424259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499712126 + 499712127.

It is an arithmetic number, because the mean of its divisors is an integer number (499712127).

Almost surely, 2^999424253 is an apocalyptic number.

It is an amenable number.

999424253 is a deficient number, since it is larger than the sum of its proper divisors (1).

999424253 is an equidigital number, since it uses as much as digits as its factorization.

999424253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 999424253 is about 31613.6719316184. The cubic root of 999424253 is about 999.8080474899.

The spelling of 999424253 in words is "nine hundred ninety-nine million, four hundred twenty-four thousand, two hundred fifty-three".