2541365 has 4 divisors (see below), whose sum is σ = 3049644. Its totient is φ = 2033088.

The previous prime is 2541323. The next prime is 2541391. The reversal of 2541365 is 5631452.

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 879844 + 1661521 = 938^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541365 - 2¹⁰ = 2540341 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254132 + ... + 254141.

It is an arithmetic number, because the mean of its divisors is an integer number (762411).

2^2541365 is an apocalyptic number.

It is an amenable number.

2541365 is a deficient number, since it is larger than the sum of its proper divisors (508279).

2541365 is an equidigital number, since it uses as much as digits as its factorization.

2541365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508278.

The product of its digits is 3600, while the sum is 26.

The square root of 2541365 is about 1594.1659261194. The cubic root of 2541365 is about 136.4653357840.

The spelling of 2541365 in words is "two million, five hundred forty-one thousand, three hundred sixty-five".