275142825 has 84 divisors (see below), whose sum is σ = 529116928. Its totient is φ = 141717600.

The previous prime is 275142823. The next prime is 275142851. The reversal of 275142825 is 528241572.

It is a happy number.

It is not a de Polignac number, because 275142825 - 2¹ = 275142823 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 275142825.

It is not an unprimeable number, because it can be changed into a prime (275142823) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 564732 + ... + 565218.

Almost surely, 2^275142825 is an apocalyptic number.

275142825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275142825 is a deficient number, since it is larger than the sum of its proper divisors (253974103).

275142825 is an equidigital number, since it uses as much as digits as its factorization.

275142825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 526 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 275142825 is about 16587.4297285625. The cubic root of 275142825 is about 650.4082839252.

The spelling of 275142825 in words is "two hundred seventy-five million, one hundred forty-two thousand, eight hundred twenty-five".