276453481 has 12 divisors (see below), whose sum is σ = 282912516. Its totient is φ = 270129440.

The previous prime is 276453461. The next prime is 276453497. The reversal of 276453481 is 184354672.

It can be written as a sum of positive squares in 2 ways, for example, as 129049600 + 147403881 = 11360^2 + 12141^2 .

It is not a de Polignac number, because 276453481 - 2¹³ = 276445289 is a prime.

It is a super-2 number, since 2×276453481² = 152853054314034722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276453421) 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 11 ways as a sum of consecutive naturals, for example, 871935 + ... + 872251.

It is an arithmetic number, because the mean of its divisors is an integer number (23576043).

Almost surely, 2^276453481 is an apocalyptic number.

It is an amenable number.

276453481 is a deficient number, since it is larger than the sum of its proper divisors (6459035).

276453481 is an equidigital number, since it uses as much as digits as its factorization.

276453481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 561 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 276453481 is about 16626.8902985495. The cubic root of 276453481 is about 651.4393987170.

The spelling of 276453481 in words is "two hundred seventy-six million, four hundred fifty-three thousand, four hundred eighty-one".