2540323203 has 32 divisors (see below), whose sum is σ = 3744384000. Its totient is φ = 1519119360.

The previous prime is 2540323193. The next prime is 2540323207. The reversal of 2540323203 is 3023230452.

It is not a de Polignac number, because 2540323203 - 2⁶ = 2540323139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540323207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1269798 + ... + 1271796.

It is an arithmetic number, because the mean of its divisors is an integer number (117012000).

Almost surely, 2^2540323203 is an apocalyptic number.

2540323203 is a deficient number, since it is larger than the sum of its proper divisors (1204060797).

2540323203 is a wasteful number, since it uses less digits than its factorization.

2540323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 2540323203 is about 50401.6190513757. The cubic root of 2540323203 is about 1364.4668588408.

Adding to 2540323203 its reverse (3023230452), we get a palindrome (5563553655).

The spelling of 2540323203 in words is "two billion, five hundred forty million, three hundred twenty-three thousand, two hundred three".