275731425 has 24 divisors (see below), whose sum is σ = 506530080. Its totient is φ = 147056400.

The previous prime is 275731373. The next prime is 275731427. The reversal of 275731425 is 524137572.

It is not a de Polignac number, because 275731425 - 2⁷ = 275731297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275731425.

It is not an unprimeable number, because it can be changed into a prime (275731427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203571 + ... + 204920.

It is an arithmetic number, because the mean of its divisors is an integer number (21105420).

Almost surely, 2^275731425 is an apocalyptic number.

275731425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275731425 is a deficient number, since it is larger than the sum of its proper divisors (230798655).

275731425 is a wasteful number, since it uses less digits than its factorization.

275731425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408510 (or 408499 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 275731425 is about 16605.1626008299. The cubic root of 275731425 is about 650.8717494601.

Adding to 275731425 its reverse (524137572), we get a palindrome (799868997).

The spelling of 275731425 in words is "two hundred seventy-five million, seven hundred thirty-one thousand, four hundred twenty-five".