1235272253 has 2 divisors, whose sum is σ = 1235272254. Its totient is φ = 1235272252.

The previous prime is 1235272211. The next prime is 1235272273. The reversal of 1235272253 is 3522725321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078596964 + 156675289 = 32842^2 + 12517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1235272253 - 2¹² = 1235268157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1235272273) 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, 617636126 + 617636127.

It is an arithmetic number, because the mean of its divisors is an integer number (617636127).

Almost surely, 2^1235272253 is an apocalyptic number.

It is an amenable number.

1235272253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235272253 is an equidigital number, since it uses as much as digits as its factorization.

1235272253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 1235272253 is about 35146.4401184530. The cubic root of 1235272253 is about 1072.9699573550.

Adding to 1235272253 its reverse (3522725321), we get a palindrome (4757997574).

The spelling of 1235272253 in words is "one billion, two hundred thirty-five million, two hundred seventy-two thousand, two hundred fifty-three".