2540246453 has 2 divisors, whose sum is σ = 2540246454. Its totient is φ = 2540246452.

The previous prime is 2540246393. The next prime is 2540246521. The reversal of 2540246453 is 3546420452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1587783409 + 952463044 = 39847^2 + 30862^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540246453 - 2⁸ = 2540246197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540246153) 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, 1270123226 + 1270123227.

It is an arithmetic number, because the mean of its divisors is an integer number (1270123227).

Almost surely, 2^2540246453 is an apocalyptic number.

It is an amenable number.

2540246453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540246453 is an equidigital number, since it uses as much as digits as its factorization.

2540246453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 2540246453 is about 50400.8576613533. The cubic root of 2540246453 is about 1364.4531172972.

The spelling of 2540246453 in words is "two billion, five hundred forty million, two hundred forty-six thousand, four hundred fifty-three".