2578360259 has 2 divisors, whose sum is σ = 2578360260. Its totient is φ = 2578360258.

The previous prime is 2578360247. The next prime is 2578360277. The reversal of 2578360259 is 9520638752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2578360259 - 2¹² = 2578356163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2578360459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289180129 + 1289180130.

It is an arithmetic number, because the mean of its divisors is an integer number (1289180130).

Almost surely, 2^2578360259 is an apocalyptic number.

2578360259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2578360259 is an equidigital number, since it uses as much as digits as its factorization.

2578360259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 2578360259 is about 50777.5566466131. The cubic root of 2578360259 is about 1371.2433451258.

The spelling of 2578360259 in words is "two billion, five hundred seventy-eight million, three hundred sixty thousand, two hundred fifty-nine".