2445541 has 12 divisors (see below), whose sum is σ = 2944620. Its totient is φ = 2022720.

The previous prime is 2445533. The next prime is 2445557. The reversal of 2445541 is 1455442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1552516 + 893025 = 1246^2 + 945^2 .

It is not a de Polignac number, because 2445541 - 2³ = 2445533 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445571) 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, 561 + ... + 2281.

It is an arithmetic number, because the mean of its divisors is an integer number (245385).

2^2445541 is an apocalyptic number.

It is an amenable number.

2445541 is a deficient number, since it is larger than the sum of its proper divisors (499079).

2445541 is a wasteful number, since it uses less digits than its factorization.

2445541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764 (or 1757 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 2445541 is about 1563.8225602670. The cubic root of 2445541 is about 134.7281406043.

Subtracting from 2445541 its reverse (1455442), we obtain a palindrome (990099).

The spelling of 2445541 in words is "two million, four hundred forty-five thousand, five hundred forty-one".