25258485252 has 144 divisors (see below), whose sum is σ = 79731376256. Its totient is φ = 6055948800.

The previous prime is 25258485251. The next prime is 25258485283.

25258485252 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25258485251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36552 + ... + 227712.

Almost surely, 2^25258485252 is an apocalyptic number.

25258485252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25258485252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39865688128).

25258485252 is an abundant number, since it is smaller than the sum of its proper divisors (54472891004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25258485252 is a wasteful number, since it uses less digits than its factorization.

25258485252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191210 (or 191197 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 48.

The spelling of 25258485252 in words is "twenty-five billion, two hundred fifty-eight million, four hundred eighty-five thousand, two hundred fifty-two".