1520552828 has 24 divisors (see below), whose sum is σ = 2870662032. Its totient is φ = 702051584.

The previous prime is 1520552801. The next prime is 1520552861. The reversal of 1520552828 is 8282550251.

It is a junction number, because it is equal to n+sod(n) for n = 1520552791 and 1520552800.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 207350 + ... + 214557.

It is an arithmetic number, because the mean of its divisors is an integer number (119610918).

Almost surely, 2^1520552828 is an apocalyptic number.

It is an amenable number.

1520552828 is a deficient number, since it is larger than the sum of its proper divisors (1350109204).

1520552828 is a wasteful number, since it uses less digits than its factorization.

1520552828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421981 (or 421979 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 1520552828 is about 38994.2666042073. The cubic root of 1520552828 is about 1149.9187914930.

The spelling of 1520552828 in words is "one billion, five hundred twenty million, five hundred fifty-two thousand, eight hundred twenty-eight".