276393013 has 16 divisors (see below), whose sum is σ = 309948912. Its totient is φ = 244800000.

The previous prime is 276392983. The next prime is 276393017. The reversal of 276393013 is 310393672.

It can be written as a sum of positive squares in 8 ways, for example, as 202123089 + 74269924 = 14217^2 + 8618^2 .

It is a cyclic number.

It is not a de Polignac number, because 276393013 - 2¹⁷ = 276261941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 276393013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276393017) 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, 28263 + ... + 36763.

It is an arithmetic number, because the mean of its divisors is an integer number (19371807).

Almost surely, 2^276393013 is an apocalyptic number.

It is an amenable number.

276393013 is a deficient number, since it is larger than the sum of its proper divisors (33555899).

276393013 is a wasteful number, since it uses less digits than its factorization.

276393013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 276393013 is about 16625.0718193937. The cubic root of 276393013 is about 651.3918993334.

The spelling of 276393013 in words is "two hundred seventy-six million, three hundred ninety-three thousand, thirteen".