25245054347 has 2 divisors, whose sum is σ = 25245054348. Its totient is φ = 25245054346.

The previous prime is 25245054217. The next prime is 25245054371. The reversal of 25245054347 is 74345054252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25245054347 - 2⁸ = 25245054091 is a prime.

It is not a weakly prime, because it can be changed into another prime (25245054397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12622527173 + 12622527174.

It is an arithmetic number, because the mean of its divisors is an integer number (12622527174).

Almost surely, 2^25245054347 is an apocalyptic number.

25245054347 is a deficient number, since it is larger than the sum of its proper divisors (1).

25245054347 is an equidigital number, since it uses as much as digits as its factorization.

25245054347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 41.

The spelling of 25245054347 in words is "twenty-five billion, two hundred forty-five million, fifty-four thousand, three hundred forty-seven".