2559308247 has 6 divisors (see below), whose sum is σ = 3696778592. Its totient is φ = 1706205492.

The previous prime is 2559308243. The next prime is 2559308251. The reversal of 2559308247 is 7428039552.

It is an interprime number because it is at equal distance from previous prime (2559308243) and next prime (2559308251).

It is not a de Polignac number, because 2559308247 - 2² = 2559308243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559308243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142183783 + ... + 142183800.

Almost surely, 2^2559308247 is an apocalyptic number.

2559308247 is a deficient number, since it is larger than the sum of its proper divisors (1137470345).

2559308247 is a wasteful number, since it uses less digits than its factorization.

2559308247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284367589 (or 284367586 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 2559308247 is about 50589.6061162765. The cubic root of 2559308247 is about 1367.8575294714.

The spelling of 2559308247 in words is "two billion, five hundred fifty-nine million, three hundred eight thousand, two hundred forty-seven".