2540703 has 8 divisors (see below), whose sum is σ = 3695616. Its totient is φ = 1539800.

The previous prime is 2540693. The next prime is 2540723. The reversal of 2540703 is 3070452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2540703 - 2⁴ = 2540687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2540703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38463 + ... + 38528.

It is an arithmetic number, because the mean of its divisors is an integer number (461952).

2^2540703 is an apocalyptic number.

2540703 is a deficient number, since it is larger than the sum of its proper divisors (1154913).

2540703 is a wasteful number, since it uses less digits than its factorization.

2540703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77005.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2540703 is about 1593.9582805080. The cubic root of 2540703 is about 136.4534854729.

The spelling of 2540703 in words is "two million, five hundred forty thousand, seven hundred three".