25425542783 has 4 divisors (see below), whose sum is σ = 25443213120. Its totient is φ = 25407872448.

The previous prime is 25425542731. The next prime is 25425542843. The reversal of 25425542783 is 38724552452.

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 25425542783 - 2⁶ = 25425542719 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 (75425542783) 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, 8833010 + ... + 8835887.

It is an arithmetic number, because the mean of its divisors is an integer number (6360803280).

Almost surely, 2^25425542783 is an apocalyptic number.

25425542783 is a deficient number, since it is larger than the sum of its proper divisors (17670337).

25425542783 is a wasteful number, since it uses less digits than its factorization.

25425542783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670336.

The product of its digits is 2688000, while the sum is 47.

The spelling of 25425542783 in words is "twenty-five billion, four hundred twenty-five million, five hundred forty-two thousand, seven hundred eighty-three".