1525265000 has 80 divisors (see below), whose sum is σ = 4084317600. Its totient is φ = 522936000.

The previous prime is 1525264999. The next prime is 1525265011. The reversal of 1525265000 is 5625251.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13211 + ... + 56789.

It is an arithmetic number, because the mean of its divisors is an integer number (51053970).

Almost surely, 2^1525265000 is an apocalyptic number.

1525265000 is a gapful number since it is divisible by the number (10) 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 1525265000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042158800).

1525265000 is an abundant number, since it is smaller than the sum of its proper divisors (2559052600).

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

1525265000 is an equidigital number, since it uses as much as digits as its factorization.

1525265000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43612 (or 43593 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1525265000 is about 39054.6412094645. The cubic root of 1525265000 is about 1151.1054273105.

The spelling of 1525265000 in words is "one billion, five hundred twenty-five million, two hundred sixty-five thousand".