254287652513 has 2 divisors, whose sum is σ = 254287652514. Its totient is φ = 254287652512.

The previous prime is 254287652503. The next prime is 254287652551. The reversal of 254287652513 is 315256782452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147526664464 + 106760988049 = 384092^2 + 326743^2 .

It is a cyclic number.

It is not a de Polignac number, because 254287652513 - 2⁴ = 254287652497 is a prime.

It is not a weakly prime, because it can be changed into another prime (254287652503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127143826256 + 127143826257.

It is an arithmetic number, because the mean of its divisors is an integer number (127143826257).

Almost surely, 2^254287652513 is an apocalyptic number.

It is an amenable number.

254287652513 is a deficient number, since it is larger than the sum of its proper divisors (1).

254287652513 is an equidigital number, since it uses as much as digits as its factorization.

254287652513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032000, while the sum is 50.

The spelling of 254287652513 in words is "two hundred fifty-four billion, two hundred eighty-seven million, six hundred fifty-two thousand, five hundred thirteen".