1275513383 has 16 divisors (see below), whose sum is σ = 1397664000. Its totient is φ = 1158796800.

The previous prime is 1275513341. The next prime is 1275513391. The reversal of 1275513383 is 3833155721.

It is a cyclic number.

It is not a de Polignac number, because 1275513383 - 2¹⁶ = 1275447847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275512383) 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 in 15 ways as a sum of consecutive naturals, for example, 218993 + ... + 224741.

It is an arithmetic number, because the mean of its divisors is an integer number (87354000).

Almost surely, 2^1275513383 is an apocalyptic number.

1275513383 is a deficient number, since it is larger than the sum of its proper divisors (122150617).

1275513383 is a wasteful number, since it uses less digits than its factorization.

1275513383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218.

The product of its digits is 75600, while the sum is 38.

The square root of 1275513383 is about 35714.3302191151. The cubic root of 1275513383 is about 1084.4969623365.

The spelling of 1275513383 in words is "one billion, two hundred seventy-five million, five hundred thirteen thousand, three hundred eighty-three".