2525381634 has 16 divisors (see below), whose sum is σ = 5173953120. Its totient is φ = 821262240.

The previous prime is 2525381627. The next prime is 2525381659. The reversal of 2525381634 is 4361835252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2525381592 and 2525381601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5132644 + ... + 5133135.

It is an arithmetic number, because the mean of its divisors is an integer number (323372070).

Almost surely, 2^2525381634 is an apocalyptic number.

2525381634 is an abundant number, since it is smaller than the sum of its proper divisors (2648571486).

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

2525381634 is a wasteful number, since it uses less digits than its factorization.

2525381634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10265825.

The product of its digits is 172800, while the sum is 39.

The square root of 2525381634 is about 50253.1753623589. The cubic root of 2525381634 is about 1361.7864416619.

The spelling of 2525381634 in words is "two billion, five hundred twenty-five million, three hundred eighty-one thousand, six hundred thirty-four".