25325046673 has 2 divisors, whose sum is σ = 25325046674. Its totient is φ = 25325046672.

The previous prime is 25325046671. The next prime is 25325046683. The reversal of 25325046673 is 37664052352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24767520129 + 557526544 = 157377^2 + 23612^2 .

It is a cyclic number.

It is not a de Polignac number, because 25325046673 - 2¹ = 25325046671 is a prime.

Together with 25325046671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25325046671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662523336 + 12662523337.

It is an arithmetic number, because the mean of its divisors is an integer number (12662523337).

Almost surely, 2^25325046673 is an apocalyptic number.

It is an amenable number.

25325046673 is a deficient number, since it is larger than the sum of its proper divisors (1).

25325046673 is an equidigital number, since it uses as much as digits as its factorization.

25325046673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 25325046673 in words is "twenty-five billion, three hundred twenty-five million, forty-six thousand, six hundred seventy-three".