275274520 has 32 divisors (see below), whose sum is σ = 623538000. Its totient is φ = 109368448.

The previous prime is 275274491. The next prime is 275274521. The reversal of 275274520 is 25472572.

It is a happy number.

It is a super-2 number, since 2×275274520² = 151552122722460800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275274521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17134 + ... + 29053.

Almost surely, 2^275274520 is an apocalyptic number.

275274520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275274520 is an abundant number, since it is smaller than the sum of its proper divisors (348263480).

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

275274520 is a wasteful number, since it uses less digits than its factorization.

275274520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46347 (or 46343 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 275274520 is about 16591.3989765782. The cubic root of 275274520 is about 650.5120383498.

The spelling of 275274520 in words is "two hundred seventy-five million, two hundred seventy-four thousand, five hundred twenty".