2540999983 has 2 divisors, whose sum is σ = 2540999984. Its totient is φ = 2540999982.

The previous prime is 2540999977. The next prime is 2541000001. The reversal of 2540999983 is 3899990452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2540999983 - 2⁹ = 2540999471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540999683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270499991 + 1270499992.

It is an arithmetic number, because the mean of its divisors is an integer number (1270499992).

Almost surely, 2^2540999983 is an apocalyptic number.

2540999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540999983 is an equidigital number, since it uses as much as digits as its factorization.

2540999983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The square root of 2540999983 is about 50408.3324758913. The cubic root of 2540999983 is about 1364.5880195242.

The spelling of 2540999983 in words is "two billion, five hundred forty million, nine hundred ninety-nine thousand, nine hundred eighty-three".