528654081 has 16 divisors (see below), whose sum is σ = 742548800. Its totient is φ = 333626688.

The previous prime is 528654029. The next prime is 528654107. The reversal of 528654081 is 180456825.

It is not a de Polignac number, because 528654081 - 2¹⁸ = 528391937 is a prime.

It is a super-2 number, since 2×528654081² = 558950274715909122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528654481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92355 + ... + 97911.

It is an arithmetic number, because the mean of its divisors is an integer number (46409300).

Almost surely, 2^528654081 is an apocalyptic number.

It is an amenable number.

528654081 is a deficient number, since it is larger than the sum of its proper divisors (213894719).

528654081 is a wasteful number, since it uses less digits than its factorization.

528654081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 528654081 is about 22992.4787919876. The cubic root of 528654081 is about 808.5816161910.

The spelling of 528654081 in words is "five hundred twenty-eight million, six hundred fifty-four thousand, eighty-one".