25085222443 has 2 divisors, whose sum is σ = 25085222444. Its totient is φ = 25085222442.

The previous prime is 25085222431. The next prime is 25085222453. The reversal of 25085222443 is 34422258052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25085222443 is a prime.

It is a super-3 number, since 3×25085222443³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (25085222453) 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, 12542611221 + 12542611222.

It is an arithmetic number, because the mean of its divisors is an integer number (12542611222).

Almost surely, 2^25085222443 is an apocalyptic number.

25085222443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25085222443 is an equidigital number, since it uses as much as digits as its factorization.

25085222443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 25085222443 in words is "twenty-five billion, eighty-five million, two hundred twenty-two thousand, four hundred forty-three".