1525035252 has 96 divisors (see below), whose sum is σ = 4068489600. Its totient is φ = 440451072.

The previous prime is 1525035223. The next prime is 1525035271. The reversal of 1525035252 is 2525305251.

1525035252 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1641124 + ... + 1642052.

It is an arithmetic number, because the mean of its divisors is an integer number (42380100).

Almost surely, 2^1525035252 is an apocalyptic number.

1525035252 is a gapful number since it is divisible by the number (12) 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 1525035252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034244800).

1525035252 is an abundant number, since it is smaller than the sum of its proper divisors (2543454348).

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

1525035252 is a wasteful number, since it uses less digits than its factorization.

1525035252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1525035252 is about 39051.6997325341. The cubic root of 1525035252 is about 1151.0476280757.

The spelling of 1525035252 in words is "one billion, five hundred twenty-five million, thirty-five thousand, two hundred fifty-two".