25052552023537 has 2 divisors, whose sum is σ = 25052552023538. Its totient is φ = 25052552023536.

The previous prime is 25052552023529. The next prime is 25052552023571. The reversal of 25052552023537 is 73532025525052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12548909493136 + 12503642530401 = 3542444^2 + 3536049^2 .

It is a cyclic number.

It is not a de Polignac number, because 25052552023537 - 2³ = 25052552023529 is a prime.

It is not a weakly prime, because it can be changed into another prime (25052552023637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526276011768 + 12526276011769.

It is an arithmetic number, because the mean of its divisors is an integer number (12526276011769).

Almost surely, 2^{25052552023537} is an apocalyptic number.

It is an amenable number.

25052552023537 is a deficient number, since it is larger than the sum of its proper divisors (1).

25052552023537 is an equidigital number, since it uses as much as digits as its factorization.

25052552023537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150000, while the sum is 46.

Adding to 25052552023537 its reverse (73532025525052), we get a palindrome (98584577548589).

The spelling of 25052552023537 in words is "twenty-five trillion, fifty-two billion, five hundred fifty-two million, twenty-three thousand, five hundred thirty-seven".