2598261 has 4 divisors (see below), whose sum is σ = 3464352. Its totient is φ = 1732172.

The previous prime is 2598259. The next prime is 2598283. The reversal of 2598261 is 1628952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2598261 - 2¹ = 2598259 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591261) 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 in 3 ways as a sum of consecutive naturals, for example, 433041 + ... + 433046.

It is an arithmetic number, because the mean of its divisors is an integer number (866088).

2^2598261 is an apocalyptic number.

It is an amenable number.

2598261 is a deficient number, since it is larger than the sum of its proper divisors (866091).

2598261 is an equidigital number, since it uses as much as digits as its factorization.

2598261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866090.

The product of its digits is 8640, while the sum is 33.

The square root of 2598261 is about 1611.9122184536. The cubic root of 2598261 is about 137.4762228858.

The spelling of 2598261 in words is "two million, five hundred ninety-eight thousand, two hundred sixty-one".