25253021325533 has 16 divisors (see below), whose sum is σ = 25373803593600. Its totient is φ = 25132565053440.

The previous prime is 25253021325491. The next prime is 25253021325661. The reversal of 25253021325533 is 33552312035252.

It is a cyclic number.

It is not a de Polignac number, because 25253021325533 - 2³² = 25248726358237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253021321533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409382453 + ... + 409444133.

It is an arithmetic number, because the mean of its divisors is an integer number (1585862724600).

Almost surely, 2^{25253021325533} is an apocalyptic number.

It is an amenable number.

25253021325533 is a deficient number, since it is larger than the sum of its proper divisors (120782268067).

25253021325533 is a wasteful number, since it uses less digits than its factorization.

25253021325533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64292.

The product of its (nonzero) digits is 810000, while the sum is 41.

The spelling of 25253021325533 in words is "twenty-five trillion, two hundred fifty-three billion, twenty-one million, three hundred twenty-five thousand, five hundred thirty-three".