1005234253 has 2 divisors, whose sum is σ = 1005234254. Its totient is φ = 1005234252.

The previous prime is 1005234247. The next prime is 1005234277. The reversal of 1005234253 is 3524325001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779693929 + 225540324 = 27923^2 + 15018^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005234253 - 2¹⁷ = 1005103181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005234283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502617126 + 502617127.

It is an arithmetic number, because the mean of its divisors is an integer number (502617127).

Almost surely, 2^1005234253 is an apocalyptic number.

It is an amenable number.

1005234253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005234253 is an equidigital number, since it uses as much as digits as its factorization.

1005234253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1005234253 is about 31705.4293930866. The cubic root of 1005234253 is about 1001.7417156653.

Adding to 1005234253 its reverse (3524325001), we get a palindrome (4529559254).

The spelling of 1005234253 in words is "one billion, five million, two hundred thirty-four thousand, two hundred fifty-three".