25212952801 has 2 divisors, whose sum is σ = 25212952802. Its totient is φ = 25212952800.

The previous prime is 25212952789. The next prime is 25212952819. The reversal of 25212952801 is 10825921252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25154277201 + 58675600 = 158601^2 + 7660^2 .

It is a cyclic number.

It is not a de Polignac number, because 25212952801 - 2¹⁷ = 25212821729 is a prime.

It is not a weakly prime, because it can be changed into another prime (25212952871) 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, 12606476400 + 12606476401.

It is an arithmetic number, because the mean of its divisors is an integer number (12606476401).

Almost surely, 2^25212952801 is an apocalyptic number.

It is an amenable number.

25212952801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25212952801 is an equidigital number, since it uses as much as digits as its factorization.

25212952801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 25212952801 in words is "twenty-five billion, two hundred twelve million, nine hundred fifty-two thousand, eight hundred one".