2540512903 has 2 divisors, whose sum is σ = 2540512904. Its totient is φ = 2540512902.

The previous prime is 2540512883. The next prime is 2540512957. The reversal of 2540512903 is 3092150452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540512903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540512993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270256451 + 1270256452.

It is an arithmetic number, because the mean of its divisors is an integer number (1270256452).

Almost surely, 2^2540512903 is an apocalyptic number.

2540512903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540512903 is an equidigital number, since it uses as much as digits as its factorization.

2540512903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2540512903 is about 50403.5009002351. The cubic root of 2540512903 is about 1364.5008220940.

The spelling of 2540512903 in words is "two billion, five hundred forty million, five hundred twelve thousand, nine hundred three".