25340224573 has 2 divisors, whose sum is σ = 25340224574. Its totient is φ = 25340224572.

The previous prime is 25340224571. The next prime is 25340224577. The reversal of 25340224573 is 37542204352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20266939044 + 5073285529 = 142362^2 + 71227^2 .

It is a cyclic number.

It is not a de Polignac number, because 25340224573 - 2¹ = 25340224571 is a prime.

Together with 25340224571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25340224571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12670112286 + 12670112287.

It is an arithmetic number, because the mean of its divisors is an integer number (12670112287).

Almost surely, 2^25340224573 is an apocalyptic number.

It is an amenable number.

25340224573 is a deficient number, since it is larger than the sum of its proper divisors (1).

25340224573 is an equidigital number, since it uses as much as digits as its factorization.

25340224573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 37.

The spelling of 25340224573 in words is "twenty-five billion, three hundred forty million, two hundred twenty-four thousand, five hundred seventy-three".