1254541246513 has 2 divisors, whose sum is σ = 1254541246514. Its totient is φ = 1254541246512.

The previous prime is 1254541246489. The next prime is 1254541246613. The reversal of 1254541246513 is 3156421454521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 827050192929 + 427491053584 = 909423^2 + 653828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254541246513 - 2⁵ = 1254541246481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1254541246513.

It is not a weakly prime, because it can be changed into another prime (1254541246213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627270623256 + 627270623257.

It is an arithmetic number, because the mean of its divisors is an integer number (627270623257).

Almost surely, 2^{1254541246513} is an apocalyptic number.

It is an amenable number.

1254541246513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254541246513 is an equidigital number, since it uses as much as digits as its factorization.

1254541246513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 43.

The spelling of 1254541246513 in words is "one trillion, two hundred fifty-four billion, five hundred forty-one million, two hundred forty-six thousand, five hundred thirteen".