2015387273 has 2 divisors, whose sum is σ = 2015387274. Its totient is φ = 2015387272.

The previous prime is 2015387251. The next prime is 2015387303. The reversal of 2015387273 is 3727835102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1931426704 + 83960569 = 43948^2 + 9163^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015387273 - 2¹⁰ = 2015386249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2015387243) 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 as a sum of consecutive naturals, namely, 1007693636 + 1007693637.

It is an arithmetic number, because the mean of its divisors is an integer number (1007693637).

Almost surely, 2^2015387273 is an apocalyptic number.

It is an amenable number.

2015387273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015387273 is an equidigital number, since it uses as much as digits as its factorization.

2015387273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2015387273 is about 44893.0648652996. The cubic root of 2015387273 is about 1263.1439236243.

The spelling of 2015387273 in words is "two billion, fifteen million, three hundred eighty-seven thousand, two hundred seventy-three".