25252575255835 has 4 divisors (see below), whose sum is σ = 30303090307008. Its totient is φ = 20202060204664.

The previous prime is 25252575255833. The next prime is 25252575255839. The reversal of 25252575255835 is 53855257525252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25252575255835 - 2¹ = 25252575255833 is a prime.

It is a super-2 number, since 2×25252575255835² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25252575255833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525257525579 + ... + 2525257525588.

It is an arithmetic number, because the mean of its divisors is an integer number (7575772576752).

Almost surely, 2^{25252575255835} is an apocalyptic number.

25252575255835 is a deficient number, since it is larger than the sum of its proper divisors (5050515051173).

25252575255835 is an equidigital number, since it uses as much as digits as its factorization.

25252575255835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050515051172.

The product of its digits is 210000000, while the sum is 61.

The spelling of 25252575255835 in words is "twenty-five trillion, two hundred fifty-two billion, five hundred seventy-five million, two hundred fifty-five thousand, eight hundred thirty-five".