1525000330 has 32 divisors (see below), whose sum is σ = 3213665280. Its totient is φ = 510103680.

The previous prime is 1525000319. The next prime is 1525000357. The reversal of 1525000330 is 330005251.

It is a junction number, because it is equal to n+sod(n) for n = 1525000298 and 1525000307.

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, 262810 + ... + 268549.

It is an arithmetic number, because the mean of its divisors is an integer number (100427040).

Almost surely, 2^1525000330 is an apocalyptic number.

1525000330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1525000330 is an abundant number, since it is smaller than the sum of its proper divisors (1688664950).

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

1525000330 is a wasteful number, since it uses less digits than its factorization.

1525000330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531414.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1525000330 is about 39051.2526047501. The cubic root of 1525000330 is about 1151.0388420073.

Adding to 1525000330 its reverse (330005251), we get a palindrome (1855005581).

The spelling of 1525000330 in words is "one billion, five hundred twenty-five million, three hundred thirty", and thus it is an aban number.