2540361 has 8 divisors (see below), whose sum is σ = 3586464. Its totient is φ = 1593920.

The previous prime is 2540341. The next prime is 2540389. The reversal of 2540361 is 1630452.

It is a happy number.

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

It is not a de Polignac number, because 2540361 - 2¹⁰ = 2539337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540341) 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, 24855 + ... + 24956.

It is an arithmetic number, because the mean of its divisors is an integer number (448308).

2^2540361 is an apocalyptic number.

It is an amenable number.

2540361 is a deficient number, since it is larger than the sum of its proper divisors (1046103).

2540361 is a wasteful number, since it uses less digits than its factorization.

2540361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49831.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2540361 is about 1593.8509967999. The cubic root of 2540361 is about 136.4473626024.

Subtracting from 2540361 its reverse (1630452), we obtain a palindrome (909909).

The spelling of 2540361 in words is "two million, five hundred forty thousand, three hundred sixty-one".