1528434425 has 24 divisors (see below), whose sum is σ = 2176944000. Its totient is φ = 1042778880.

The previous prime is 1528434379. The next prime is 1528434431. The reversal of 1528434425 is 5244348251.

It is not a de Polignac number, because 1528434425 - 2⁸ = 1528434169 is a prime.

It is a super-2 number, since 2×1528434425² = 4672223583050161250, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12881 + ... + 56769.

It is an arithmetic number, because the mean of its divisors is an integer number (90706000).

Almost surely, 2^1528434425 is an apocalyptic number.

It is an amenable number.

1528434425 is a deficient number, since it is larger than the sum of its proper divisors (648509575).

1528434425 is a wasteful number, since it uses less digits than its factorization.

1528434425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44105 (or 44100 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The square root of 1528434425 is about 39095.1969556364. The cubic root of 1528434425 is about 1151.9021890114.

The spelling of 1528434425 in words is "one billion, five hundred twenty-eight million, four hundred thirty-four thousand, four hundred twenty-five".