2540763 has 6 divisors (see below), whose sum is σ = 3670004. Its totient is φ = 1693836.

The previous prime is 2540761. The next prime is 2540771. The reversal of 2540763 is 3670452.

It is a happy number.

It is not a de Polignac number, because 2540763 - 2¹ = 2540761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141145 + ... + 141162.

2^2540763 is an apocalyptic number.

2540763 is a deficient number, since it is larger than the sum of its proper divisors (1129241).

2540763 is a wasteful number, since it uses less digits than its factorization.

2540763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282313 (or 282310 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2540763 is about 1593.9771014666. The cubic root of 2540763 is about 136.4545596040.

The spelling of 2540763 in words is "two million, five hundred forty thousand, seven hundred sixty-three".