25305255029 has 16 divisors (see below), whose sum is σ = 26864291520. Its totient is φ = 23795278080.

The previous prime is 25305254959. The next prime is 25305255037. The reversal of 25305255029 is 92055250352.

It is a de Polignac number, because none of the positive numbers 2^k-25305255029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25305254983 and 25305255001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25305255529) 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 15 ways as a sum of consecutive naturals, for example, 403469 + ... + 461949.

It is an arithmetic number, because the mean of its divisors is an integer number (1679018220).

Almost surely, 2^25305255029 is an apocalyptic number.

25305255029 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

25305255029 is a deficient number, since it is larger than the sum of its proper divisors (1559036491).

25305255029 is a wasteful number, since it uses less digits than its factorization.

25305255029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58900.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 25305255029 in words is "twenty-five billion, three hundred five million, two hundred fifty-five thousand, twenty-nine".