1275362253 has 40 divisors (see below), whose sum is σ = 2200651200. Its totient is φ = 727470720.

The previous prime is 1275362233. The next prime is 1275362269. The reversal of 1275362253 is 3522635721.

1275362253 is a `hidden beast` number, since 1 + 27 + 5 + 3 + 622 + 5 + 3 = 666.

It is not a de Polignac number, because 1275362253 - 2⁹ = 1275361741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275362233) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26953 + ... + 57246.

It is an arithmetic number, because the mean of its divisors is an integer number (55016280).

Almost surely, 2^1275362253 is an apocalyptic number.

It is an amenable number.

1275362253 is a deficient number, since it is larger than the sum of its proper divisors (925288947).

1275362253 is a wasteful number, since it uses less digits than its factorization.

1275362253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84239 (or 84230 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 1275362253 is about 35712.2143390745. The cubic root of 1275362253 is about 1084.4541282113.

Adding to 1275362253 its reverse (3522635721), we get a palindrome (4797997974).

The spelling of 1275362253 in words is "one billion, two hundred seventy-five million, three hundred sixty-two thousand, two hundred fifty-three".