1000525660 has 48 divisors (see below), whose sum is σ = 2181110400. Its totient is φ = 385251840.

The previous prime is 1000525639. The next prime is 1000525699. The reversal of 1000525660 is 665250001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48616 + ... + 66064.

It is an arithmetic number, because the mean of its divisors is an integer number (45439800).

Almost surely, 2^1000525660 is an apocalyptic number.

1000525660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000525660 is an abundant number, since it is smaller than the sum of its proper divisors (1180584740).

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

1000525660 is a wasteful number, since it uses less digits than its factorization.

1000525660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17566 (or 17564 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1000525660 is about 31631.0869241005. The cubic root of 1000525660 is about 1000.1751893069.

Adding to 1000525660 its reverse (665250001), we get a palindrome (1665775661).

The spelling of 1000525660 in words is "one billion, five hundred twenty-five thousand, six hundred sixty".