275451132 has 48 divisors (see below), whose sum is σ = 738057600. Its totient is φ = 79076160.

The previous prime is 275451131. The next prime is 275451133. The reversal of 275451132 is 231154572.

It is an interprime number because it is at equal distance from previous prime (275451131) and next prime (275451133).

It is a super-2 number, since 2×275451132² = 151746652240162848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 275451132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275451131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52407 + ... + 57422.

It is an arithmetic number, because the mean of its divisors is an integer number (15376200).

Almost surely, 2^275451132 is an apocalyptic number.

275451132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

275451132 is an abundant number, since it is smaller than the sum of its proper divisors (462606468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275451132 is a wasteful number, since it uses less digits than its factorization.

275451132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109866 (or 109864 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 275451132 is about 16596.7205194279. The cubic root of 275451132 is about 650.6511281945.

The spelling of 275451132 in words is "two hundred seventy-five million, four hundred fifty-one thousand, one hundred thirty-two".