2540501 has 4 divisors (see below), whose sum is σ = 2564352. Its totient is φ = 2516652.

The previous prime is 2540479. The next prime is 2540513. The reversal of 2540501 is 1050452.

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 2540501 - 2¹⁴ = 2524117 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 2540501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540581) 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, 11765 + ... + 11978.

It is an arithmetic number, because the mean of its divisors is an integer number (641088).

2^2540501 is an apocalyptic number.

It is an amenable number.

2540501 is a deficient number, since it is larger than the sum of its proper divisors (23851).

2540501 is a wasteful number, since it uses less digits than its factorization.

2540501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23850.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2540501 is about 1593.8949149803. The cubic root of 2540501 is about 136.4498691070.

Adding to 2540501 its reverse (1050452), we get a palindrome (3590953).

The spelling of 2540501 in words is "two million, five hundred forty thousand, five hundred one".