528141994 has 4 divisors (see below), whose sum is σ = 792212994. Its totient is φ = 264070996.

The previous prime is 528141967. The next prime is 528142001. The reversal of 528141994 is 499141825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 380835225 + 147306769 = 19515^2 + 12137^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 528141994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132035497 + ... + 132035500.

Almost surely, 2^528141994 is an apocalyptic number.

528141994 is a deficient number, since it is larger than the sum of its proper divisors (264071000).

528141994 is a wasteful number, since it uses less digits than its factorization.

528141994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264070999.

The product of its digits is 103680, while the sum is 43.

The square root of 528141994 is about 22981.3401262851. The cubic root of 528141994 is about 808.3204511451.

The spelling of 528141994 in words is "five hundred twenty-eight million, one hundred forty-one thousand, nine hundred ninety-four".