2540329 has 4 divisors (see below), whose sum is σ = 2771280. Its totient is φ = 2309380.

The previous prime is 2540323. The next prime is 2540339. The reversal of 2540329 is 9230452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2540329 - 2⁷ = 2540201 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 5⁵ + 4⁹ + 0 + 3¹¹ + 2²¹ + 9³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540323) 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, 115459 + ... + 115480.

It is an arithmetic number, because the mean of its divisors is an integer number (692820).

2^2540329 is an apocalyptic number.

It is an amenable number.

2540329 is a deficient number, since it is larger than the sum of its proper divisors (230951).

2540329 is a wasteful number, since it uses less digits than its factorization.

2540329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230950.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2540329 is about 1593.8409581887. The cubic root of 2540329 is about 136.4467896741.

The spelling of 2540329 in words is "two million, five hundred forty thousand, three hundred twenty-nine".