2626261 has 8 divisors (see below), whose sum is σ = 2878848. Its totient is φ = 2376000.

The previous prime is 2626259. The next prime is 2626277. The reversal of 2626261 is 1626262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2626261 - 2¹ = 2626259 is a prime.

It is a Duffinian number.

2626261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2626291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (359856).

2^2626261 is an apocalyptic number.

It is an amenable number.

2626261 is a deficient number, since it is larger than the sum of its proper divisors (252587).

2626261 is a wasteful number, since it uses less digits than its factorization.

2626261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163.

The product of its digits is 1728, while the sum is 25.

The square root of 2626261 is about 1620.5742809264. The cubic root of 2626261 is about 137.9682941934.

Subtracting from 2626261 its reverse (1626262), we obtain a palindrome (999999).

The spelling of 2626261 in words is "two million, six hundred twenty-six thousand, two hundred sixty-one".