1275287525 has 12 divisors (see below), whose sum is σ = 1596138912. Its totient is φ = 1010693040.

The previous prime is 1275287501. The next prime is 1275287539. The reversal of 1275287525 is 5257825721.

It is not a de Polignac number, because 1275287525 - 2¹⁴ = 1275271141 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235697 + ... + 241046.

It is an arithmetic number, because the mean of its divisors is an integer number (133011576).

Almost surely, 2^1275287525 is an apocalyptic number.

It is an amenable number.

1275287525 is a deficient number, since it is larger than the sum of its proper divisors (320851387).

1275287525 is a wasteful number, since it uses less digits than its factorization.

1275287525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476860 (or 476855 counting only the distinct ones).

The product of its digits is 392000, while the sum is 44.

The square root of 1275287525 is about 35711.1680710671. The cubic root of 1275287525 is about 1084.4329471258.

The spelling of 1275287525 in words is "one billion, two hundred seventy-five million, two hundred eighty-seven thousand, five hundred twenty-five".