259028991 has 12 divisors (see below), whose sum is σ = 402934168. Its totient is φ = 159402384.

The previous prime is 259028989. The next prime is 259028993. The reversal of 259028991 is 199820952.

It is an interprime number because it is at equal distance from previous prime (259028989) and next prime (259028993).

It is not a de Polignac number, because 259028991 - 2¹ = 259028989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259028993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1106845 + ... + 1107078.

Almost surely, 2^259028991 is an apocalyptic number.

259028991 is a deficient number, since it is larger than the sum of its proper divisors (143905177).

259028991 is a wasteful number, since it uses less digits than its factorization.

259028991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213942 (or 2213939 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 259028991 is about 16094.3776207718. The cubic root of 259028991 is about 637.4548913873.

The spelling of 259028991 in words is "two hundred fifty-nine million, twenty-eight thousand, nine hundred ninety-one".