1253324869 has 2 divisors, whose sum is σ = 1253324870. Its totient is φ = 1253324868.

The previous prime is 1253324861. The next prime is 1253324879. The reversal of 1253324869 is 9684233521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736308225 + 517016644 = 27135^2 + 22738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253324869 - 2³ = 1253324861 is a prime.

It is a super-2 number, since 2×1253324869² = 3141646454507734322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253324861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626662434 + 626662435.

It is an arithmetic number, because the mean of its divisors is an integer number (626662435).

Almost surely, 2^1253324869 is an apocalyptic number.

It is an amenable number.

1253324869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253324869 is an equidigital number, since it uses as much as digits as its factorization.

1253324869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 1253324869 is about 35402.3285816060. The cubic root of 1253324869 is about 1078.1715945293.

The spelling of 1253324869 in words is "one billion, two hundred fifty-three million, three hundred twenty-four thousand, eight hundred sixty-nine".