1528312797 has 12 divisors (see below), whose sum is σ = 2408250624. Its totient is φ = 926250120.

The previous prime is 1528312783. The next prime is 1528312829. The reversal of 1528312797 is 7972138251.

1528312797 is a `hidden beast` number, since 1 + 528 + 31 + 2 + 7 + 97 = 666.

It is not a de Polignac number, because 1528312797 - 2¹⁸ = 1528050653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528312297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7718653 + ... + 7718850.

It is an arithmetic number, because the mean of its divisors is an integer number (200687552).

Almost surely, 2^1528312797 is an apocalyptic number.

It is an amenable number.

1528312797 is a deficient number, since it is larger than the sum of its proper divisors (879937827).

1528312797 is a wasteful number, since it uses less digits than its factorization.

1528312797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15437520 (or 15437517 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 1528312797 is about 39093.6413883383. The cubic root of 1528312797 is about 1151.8716332842.

The spelling of 1528312797 in words is "one billion, five hundred twenty-eight million, three hundred twelve thousand, seven hundred ninety-seven".