1275536625 has 48 divisors (see below), whose sum is σ = 2333071104. Its totient is φ = 618420000.

The previous prime is 1275536623. The next prime is 1275536627. The reversal of 1275536625 is 5266355721.

It is an interprime number because it is at equal distance from previous prime (1275536623) and next prime (1275536627).

It is not a de Polignac number, because 1275536625 - 2¹ = 1275536623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1275536623) 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 47 ways as a sum of consecutive naturals, for example, 31320 + ... + 59430.

It is an arithmetic number, because the mean of its divisors is an integer number (48605648).

Almost surely, 2^1275536625 is an apocalyptic number.

1275536625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1275536625 is a deficient number, since it is larger than the sum of its proper divisors (1057534479).

1275536625 is a wasteful number, since it uses less digits than its factorization.

1275536625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28151 (or 28130 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 1275536625 is about 35714.6556052274. The cubic root of 1275536625 is about 1084.5035494163.

The spelling of 1275536625 in words is "one billion, two hundred seventy-five million, five hundred thirty-six thousand, six hundred twenty-five".