2540601 has 24 divisors (see below), whose sum is σ = 4284800. Its totient is φ = 1450008.

The previous prime is 2540597. The next prime is 2540609. The reversal of 2540601 is 1060452.

It is a happy number.

2540601 is a `hidden beast` number, since 25 + 40 + 601 = 666.

It is not a de Polignac number, because 2540601 - 2² = 2540597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2676 + ... + 3498.

2^2540601 is an apocalyptic number.

2540601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2540601 is a deficient number, since it is larger than the sum of its proper divisors (1744199).

2540601 is an equidigital number, since it uses as much as digits as its factorization.

2540601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2540601 is about 1593.9262843683. The cubic root of 2540601 is about 136.4516594111.

The spelling of 2540601 in words is "two million, five hundred forty thousand, six hundred one".