1975275 has 18 divisors (see below), whose sum is σ = 3538340. Its totient is φ = 1053360.

The previous prime is 1975249. The next prime is 1975279. The reversal of 1975275 is 5725791.

It is not a de Polignac number, because 1975275 - 2⁵ = 1975243 is a prime.

It is a super-2 number, since 2×1975275² = 7803422651250, which contains 22 as substring.

1975275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1975279) 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 17 ways as a sum of consecutive naturals, for example, 4165 + ... + 4614.

2^1975275 is an apocalyptic number.

1975275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1975275 is a deficient number, since it is larger than the sum of its proper divisors (1563065).

1975275 is a wasteful number, since it uses less digits than its factorization.

1975275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8795 (or 8787 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 1975275 is about 1405.4447694591. Note that the first 3 decimals coincide. The cubic root of 1975275 is about 125.4707582014.

The spelling of 1975275 in words is "one million, nine hundred seventy-five thousand, two hundred seventy-five".