25652546513 has 8 divisors (see below), whose sum is σ = 29457469920. Its totient is φ = 22093102080.

The previous prime is 25652546473. The next prime is 25652546527. The reversal of 25652546513 is 31564525652.

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

It is a cyclic number.

It is not a de Polignac number, because 25652546513 - 2⁶ = 25652546449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25652546533) 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, 61369520 + ... + 61369937.

It is an arithmetic number, because the mean of its divisors is an integer number (3682183740).

Almost surely, 2^25652546513 is an apocalyptic number.

It is an amenable number.

25652546513 is a deficient number, since it is larger than the sum of its proper divisors (3804923407).

25652546513 is a wasteful number, since it uses less digits than its factorization.

25652546513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122739487.

The product of its digits is 1080000, while the sum is 44.

The spelling of 25652546513 in words is "twenty-five billion, six hundred fifty-two million, five hundred forty-six thousand, five hundred thirteen".