2580101 has 4 divisors (see below), whose sum is σ = 2669100. Its totient is φ = 2491104.

The previous prime is 2580079. The next prime is 2580119. The reversal of 2580101 is 1010852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 1020100 = 1249^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580101 - 2¹⁸ = 2317957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2580101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44456 + ... + 44513.

It is an arithmetic number, because the mean of its divisors is an integer number (667275).

2^2580101 is an apocalyptic number.

It is an amenable number.

2580101 is a deficient number, since it is larger than the sum of its proper divisors (88999).

2580101 is an equidigital number, since it uses as much as digits as its factorization.

2580101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88998.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2580101 is about 1606.2692800399. The cubic root of 2580101 is about 137.1551867119.

Adding to 2580101 its reverse (1010852), we get a palindrome (3590953).

The spelling of 2580101 in words is "two million, five hundred eighty thousand, one hundred one".