2540577 has 12 divisors (see below), whose sum is σ = 3668784. Its totient is φ = 1563120.

The previous prime is 2540567. The next prime is 2540581. The reversal of 2540577 is 7750452.

It is not a de Polignac number, because 2540577 - 2⁶ = 2540513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1999 + ... + 3012.

It is an arithmetic number, because the mean of its divisors is an integer number (305732).

2^2540577 is an apocalyptic number.

It is an amenable number.

2540577 is a deficient number, since it is larger than the sum of its proper divisors (1128207).

2540577 is a wasteful number, since it uses less digits than its factorization.

2540577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 2540577 is about 1593.9187557714. The cubic root of 2540577 is about 136.4512297424.

The spelling of 2540577 in words is "two million, five hundred forty thousand, five hundred seventy-seven".