254025251947 has 2 divisors, whose sum is σ = 254025251948. Its totient is φ = 254025251946.

The previous prime is 254025251923. The next prime is 254025251959. The reversal of 254025251947 is 749152520452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254025251947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254025251897 and 254025251906.

It is not a weakly prime, because it can be changed into another prime (254025251147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127012625973 + 127012625974.

It is an arithmetic number, because the mean of its divisors is an integer number (127012625974).

Almost surely, 2^254025251947 is an apocalyptic number.

254025251947 is a deficient number, since it is larger than the sum of its proper divisors (1).

254025251947 is an equidigital number, since it uses as much as digits as its factorization.

254025251947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 254025251947 in words is "two hundred fifty-four billion, twenty-five million, two hundred fifty-one thousand, nine hundred forty-seven".