1001525489 has 2 divisors, whose sum is σ = 1001525490. Its totient is φ = 1001525488.

The previous prime is 1001525479. The next prime is 1001525507. The reversal of 1001525489 is 9845251001.

1001525489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964413025 + 37112464 = 31055^2 + 6092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001525489 - 2²⁰ = 1000476913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001525449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500762744 + 500762745.

It is an arithmetic number, because the mean of its divisors is an integer number (500762745).

Almost surely, 2^1001525489 is an apocalyptic number.

It is an amenable number.

1001525489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001525489 is an equidigital number, since it uses as much as digits as its factorization.

1001525489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1001525489 is about 31646.8875088847. The cubic root of 1001525489 is about 1000.5082379837.

The spelling of 1001525489 in words is "one billion, one million, five hundred twenty-five thousand, four hundred eighty-nine".