1254045253 has 2 divisors, whose sum is σ = 1254045254. Its totient is φ = 1254045252.

The previous prime is 1254045241. The next prime is 1254045269. The reversal of 1254045253 is 3525404521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1007618049 + 246427204 = 31743^2 + 15698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254045253 - 2¹³ = 1254037061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254045283) 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, 627022626 + 627022627.

It is an arithmetic number, because the mean of its divisors is an integer number (627022627).

Almost surely, 2^1254045253 is an apocalyptic number.

It is an amenable number.

1254045253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254045253 is an equidigital number, since it uses as much as digits as its factorization.

1254045253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1254045253 is about 35412.5013660430. The cubic root of 1254045253 is about 1078.3781248612.

Adding to 1254045253 its reverse (3525404521), we get a palindrome (4779449774).

The spelling of 1254045253 in words is "one billion, two hundred fifty-four million, forty-five thousand, two hundred fifty-three".