276238533 has 16 divisors (see below), whose sum is σ = 384860160. Its totient is φ = 175910064.

The previous prime is 276238519. The next prime is 276238609. The reversal of 276238533 is 335832672.

It is not a de Polignac number, because 276238533 - 2¹⁰ = 276237509 is a prime.

It is a super-2 number, since 2×276238533² = 152615454227984178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 276238491 and 276238500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276238433) 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, 57228 + ... + 61866.

It is an arithmetic number, because the mean of its divisors is an integer number (24053760).

Almost surely, 2^276238533 is an apocalyptic number.

276238533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

276238533 is a deficient number, since it is larger than the sum of its proper divisors (108621627).

276238533 is a wasteful number, since it uses less digits than its factorization.

276238533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528.

The product of its digits is 181440, while the sum is 39.

The square root of 276238533 is about 16620.4251750670. The cubic root of 276238533 is about 651.2705193069.

The spelling of 276238533 in words is "two hundred seventy-six million, two hundred thirty-eight thousand, five hundred thirty-three".