2525025492 has 72 divisors (see below), whose sum is σ = 7051175040. Its totient is φ = 755464320.

The previous prime is 2525025443. The next prime is 2525025493. The reversal of 2525025492 is 2945205252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525025493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9073 + ... + 71640.

Almost surely, 2^2525025492 is an apocalyptic number.

2525025492 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 2525025492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3525587520).

2525025492 is an abundant number, since it is smaller than the sum of its proper divisors (4526149548).

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

2525025492 is a wasteful number, since it uses less digits than its factorization.

2525025492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80813 (or 80808 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2525025492 is about 50249.6317598448. The cubic root of 2525025492 is about 1361.7224233316.

The spelling of 2525025492 in words is "two billion, five hundred twenty-five million, twenty-five thousand, four hundred ninety-two".