815527952 has 40 divisors (see below), whose sum is σ = 1625640000. Its totient is φ = 396047232.

The previous prime is 815527931. The next prime is 815527991. The reversal of 815527952 is 259725518.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543299 + ... + 544797.

It is an arithmetic number, because the mean of its divisors is an integer number (40641000).

Almost surely, 2^815527952 is an apocalyptic number.

It is an amenable number.

815527952 is a deficient number, since it is larger than the sum of its proper divisors (810112048).

815527952 is a wasteful number, since it uses less digits than its factorization.

815527952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2457 counting only the distinct ones).

The product of its digits is 252000, while the sum is 44.

The square root of 815527952 is about 28557.4500262191. The cubic root of 815527952 is about 934.2855178224.

The spelling of 815527952 in words is "eight hundred fifteen million, five hundred twenty-seven thousand, nine hundred fifty-two".