1528132485 has 16 divisors (see below), whose sum is σ = 2667286080. Its totient is φ = 740912640.

The previous prime is 1528132477. The next prime is 1528132493. The reversal of 1528132485 is 5842318251.

It is an interprime number because it is at equal distance from previous prime (1528132477) and next prime (1528132493).

It is not a de Polignac number, because 1528132485 - 2³ = 1528132477 is a prime.

It is a Curzon number.

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, 4630540 + ... + 4630869.

It is an arithmetic number, because the mean of its divisors is an integer number (166705380).

Almost surely, 2^1528132485 is an apocalyptic number.

1528132485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1528132485 is a deficient number, since it is larger than the sum of its proper divisors (1139153595).

1528132485 is a wasteful number, since it uses less digits than its factorization.

1528132485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261428.

The product of its digits is 76800, while the sum is 39.

The square root of 1528132485 is about 39091.3351652256. The cubic root of 1528132485 is about 1151.8263318148.

The spelling of 1528132485 in words is "one billion, five hundred twenty-eight million, one hundred thirty-two thousand, four hundred eighty-five".