25255655252 has 6 divisors (see below), whose sum is σ = 44197396698. Its totient is φ = 12627827624.

The previous prime is 25255655251. The next prime is 25255655261.

25255655252 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 25228239556 + 27415696 = 158834^2 + 5236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255655251) 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 as a sum of consecutive naturals, namely, 3156956903 + ... + 3156956910.

It is an arithmetic number, because the mean of its divisors is an integer number (7366232783).

Almost surely, 2^25255655252 is an apocalyptic number.

It is an amenable number.

25255655252 is a deficient number, since it is larger than the sum of its proper divisors (18941741446).

25255655252 is a wasteful number, since it uses less digits than its factorization.

25255655252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313913817 (or 6313913815 counting only the distinct ones).

The product of its digits is 1500000, while the sum is 44.

The spelling of 25255655252 in words is "twenty-five billion, two hundred fifty-five million, six hundred fifty-five thousand, two hundred fifty-two".