528981039 has 6 divisors (see below), whose sum is σ = 764083736. Its totient is φ = 352654020.

The previous prime is 528981031. The next prime is 528981043. The reversal of 528981039 is 930189825.

It is a happy number.

528981039 is a `hidden beast` number, since 528 + 98 + 1 + 0 + 39 = 666.

It is not a de Polignac number, because 528981039 - 2³ = 528981031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528980985 and 528981003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528981031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29387827 + ... + 29387844.

Almost surely, 2^528981039 is an apocalyptic number.

528981039 is a deficient number, since it is larger than the sum of its proper divisors (235102697).

528981039 is a wasteful number, since it uses less digits than its factorization.

528981039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58775677 (or 58775674 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 528981039 is about 22999.5878006542. The cubic root of 528981039 is about 808.7482769963.

The spelling of 528981039 in words is "five hundred twenty-eight million, nine hundred eighty-one thousand, thirty-nine".