529478985 has 32 divisors (see below), whose sum is σ = 1019151360. Its totient is φ = 229307328.

The previous prime is 529478981. The next prime is 529479007. The reversal of 529478985 is 589874925.

It is a happy number.

It is not a de Polignac number, because 529478985 - 2² = 529478981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (529478981) 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 31 ways as a sum of consecutive naturals, for example, 130707 + ... + 134696.

It is an arithmetic number, because the mean of its divisors is an integer number (31848480).

Almost surely, 2^529478985 is an apocalyptic number.

It is an amenable number.

529478985 is a deficient number, since it is larger than the sum of its proper divisors (489672375).

529478985 is a wasteful number, since it uses less digits than its factorization.

529478985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265437.

The product of its digits is 7257600, while the sum is 57.

The square root of 529478985 is about 23010.4103613995. The cubic root of 529478985 is about 809.0019638923.

The spelling of 529478985 in words is "five hundred twenty-nine million, four hundred seventy-eight thousand, nine hundred eighty-five".