25275525783 has 4 divisors (see below), whose sum is σ = 33700701048. Its totient is φ = 16850350520.

The previous prime is 25275525773. The next prime is 25275525787. The reversal of 25275525783 is 38752557252.

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 25275525783 - 2¹⁰ = 25275524759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275525787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4212587628 + ... + 4212587633.

It is an arithmetic number, because the mean of its divisors is an integer number (8425175262).

Almost surely, 2^25275525783 is an apocalyptic number.

25275525783 is a deficient number, since it is larger than the sum of its proper divisors (8425175265).

25275525783 is an equidigital number, since it uses as much as digits as its factorization.

25275525783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425175264.

The product of its digits is 5880000, while the sum is 51.

The spelling of 25275525783 in words is "twenty-five billion, two hundred seventy-five million, five hundred twenty-five thousand, seven hundred eighty-three".