276555013 has 16 divisors (see below), whose sum is σ = 347166720. Its totient is φ = 214804656.

The previous prime is 276555001. The next prime is 276555023. The reversal of 276555013 is 310555672.

It is a cyclic number.

It is not a de Polignac number, because 276555013 - 2⁹ = 276554501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 276555013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276555023) 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, 42145 + ... + 48262.

It is an arithmetic number, because the mean of its divisors is an integer number (21697920).

Almost surely, 2^276555013 is an apocalyptic number.

276555013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

276555013 is a deficient number, since it is larger than the sum of its proper divisors (70611707).

276555013 is a wasteful number, since it uses less digits than its factorization.

276555013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90456.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 276555013 is about 16629.9432650866. The cubic root of 276555013 is about 651.5191394980.

The spelling of 276555013 in words is "two hundred seventy-six million, five hundred fifty-five thousand, thirteen".