275253631 has 4 divisors (see below), whose sum is σ = 275652664. Its totient is φ = 274854600.

The previous prime is 275253607. The next prime is 275253653. The reversal of 275253631 is 136352572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275253631 - 2⁹ = 275253119 is a prime.

It is a super-2 number, since 2×275253631² = 151529122757368322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275253661) 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 3 ways as a sum of consecutive naturals, for example, 198480 + ... + 199861.

It is an arithmetic number, because the mean of its divisors is an integer number (68913166).

Almost surely, 2^275253631 is an apocalyptic number.

275253631 is a deficient number, since it is larger than the sum of its proper divisors (399033).

275253631 is an equidigital number, since it uses as much as digits as its factorization.

275253631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399032.

The product of its digits is 37800, while the sum is 34.

The square root of 275253631 is about 16590.7694517162. The cubic root of 275253631 is about 650.4955833946.

The spelling of 275253631 in words is "two hundred seventy-five million, two hundred fifty-three thousand, six hundred thirty-one".