25652551533 has 8 divisors (see below), whose sum is σ = 39089602368. Its totient is φ = 14658600864.

The previous prime is 25652551517. The next prime is 25652551583. The reversal of 25652551533 is 33515525652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25652551533 - 2⁴ = 25652551517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25652551513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610775016 + ... + 610775057.

It is an arithmetic number, because the mean of its divisors is an integer number (4886200296).

Almost surely, 2^25652551533 is an apocalyptic number.

It is an amenable number.

25652551533 is a deficient number, since it is larger than the sum of its proper divisors (13437050835).

25652551533 is a wasteful number, since it uses less digits than its factorization.

25652551533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221550083.

The product of its digits is 675000, while the sum is 42.

The spelling of 25652551533 in words is "twenty-five billion, six hundred fifty-two million, five hundred fifty-one thousand, five hundred thirty-three".