2525381632 has 44 divisors (see below), whose sum is σ = 5054755356. Its totient is φ = 1261076480.

The previous prime is 2525381627. The next prime is 2525381659. The reversal of 2525381632 is 2361835252.

It can be written as a sum of positive squares in 2 ways, for example, as 1984167936 + 541213696 = 44544^2 + 23264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2525381591 and 2525381600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466532 + ... + 1468252.

Almost surely, 2^2525381632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525381632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2527377678).

2525381632 is an abundant number, since it is smaller than the sum of its proper divisors (2529373724).

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

2525381632 is a wasteful number, since it uses less digits than its factorization.

2525381632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174 (or 3156 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 2525381632 is about 50253.1753424597. The cubic root of 2525381632 is about 1361.7864413024.

The spelling of 2525381632 in words is "two billion, five hundred twenty-five million, three hundred eighty-one thousand, six hundred thirty-two".