254625456413 has 2 divisors, whose sum is σ = 254625456414. Its totient is φ = 254625456412.

The previous prime is 254625456377. The next prime is 254625456539. The reversal of 254625456413 is 314654526452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239343057529 + 15282398884 = 489227^2 + 123622^2 .

It is a cyclic number.

It is not a de Polignac number, because 254625456413 - 2⁸ = 254625456157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254625416413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127312728206 + 127312728207.

It is an arithmetic number, because the mean of its divisors is an integer number (127312728207).

Almost surely, 2^254625456413 is an apocalyptic number.

It is an amenable number.

254625456413 is a deficient number, since it is larger than the sum of its proper divisors (1).

254625456413 is an equidigital number, since it uses as much as digits as its factorization.

254625456413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456000, while the sum is 47.

The spelling of 254625456413 in words is "two hundred fifty-four billion, six hundred twenty-five million, four hundred fifty-six thousand, four hundred thirteen".