25800245573 has 16 divisors (see below), whose sum is σ = 26841830400. Its totient is φ = 24781302000.

The previous prime is 25800245567. The next prime is 25800245587. The reversal of 25800245573 is 37554200852.

It is a cyclic number.

It is not a de Polignac number, because 25800245573 - 2¹⁶ = 25800180037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25800245573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25800245773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837518 + ... + 867776.

It is an arithmetic number, because the mean of its divisors is an integer number (1677614400).

Almost surely, 2^25800245573 is an apocalyptic number.

It is an amenable number.

25800245573 is a deficient number, since it is larger than the sum of its proper divisors (1041584827).

25800245573 is a wasteful number, since it uses less digits than its factorization.

25800245573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30632.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 25800245573 in words is "twenty-five billion, eight hundred million, two hundred forty-five thousand, five hundred seventy-three".