2591258361 has 36 divisors (see below), whose sum is σ = 3812700528. Its totient is φ = 1565082288.

The previous prime is 2591258359. The next prime is 2591258363. The reversal of 2591258361 is 1638521952.

It is an interprime number because it is at equal distance from previous prime (2591258359) and next prime (2591258363).

It is not a de Polignac number, because 2591258361 - 2¹ = 2591258359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2591258363) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 570646 + ... + 575168.

It is an arithmetic number, because the mean of its divisors is an integer number (105908348).

Almost surely, 2^2591258361 is an apocalyptic number.

It is an amenable number.

2591258361 is a deficient number, since it is larger than the sum of its proper divisors (1221442167).

2591258361 is a wasteful number, since it uses less digits than its factorization.

2591258361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610 (or 4568 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 2591258361 is about 50904.4041414886. The cubic root of 2591258361 is about 1373.5260654916.

The spelling of 2591258361 in words is "two billion, five hundred ninety-one million, two hundred fifty-eight thousand, three hundred sixty-one".