1275474525 has 48 divisors (see below), whose sum is σ = 2276895936. Its totient is φ = 626296320.

The previous prime is 1275474481. The next prime is 1275474539. The reversal of 1275474525 is 5254745721.

It is not a de Polignac number, because 1275474525 - 2⁶ = 1275474461 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 430449 + ... + 433401.

It is an arithmetic number, because the mean of its divisors is an integer number (47435332).

Almost surely, 2^1275474525 is an apocalyptic number.

1275474525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1275474525 is a deficient number, since it is larger than the sum of its proper divisors (1001421411).

1275474525 is a wasteful number, since it uses less digits than its factorization.

1275474525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3417 counting only the distinct ones).

The product of its digits is 392000, while the sum is 42.

The square root of 1275474525 is about 35713.7862036497. The cubic root of 1275474525 is about 1084.4859493040.

It can be divided in two parts, 1275 and 474525, that added together give a triangular number (475800 = T₉₇₅).

The spelling of 1275474525 in words is "one billion, two hundred seventy-five million, four hundred seventy-four thousand, five hundred twenty-five".