528240337 has 32 divisors (see below), whose sum is σ = 611867520. Its totient is φ = 452874240.

The previous prime is 528240319. The next prime is 528240343. The reversal of 528240337 is 733042825.

It is a cyclic number.

It is not a de Polignac number, because 528240337 - 2²⁷ = 394022609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528240367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1013637 + ... + 1014157.

It is an arithmetic number, because the mean of its divisors is an integer number (19120860).

Almost surely, 2^528240337 is an apocalyptic number.

It is an amenable number.

528240337 is a deficient number, since it is larger than the sum of its proper divisors (83627183).

528240337 is a wasteful number, since it uses less digits than its factorization.

528240337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 528240337 is about 22983.4796538731. The cubic root of 528240337 is about 808.3706192978.

The spelling of 528240337 in words is "five hundred twenty-eight million, two hundred forty thousand, three hundred thirty-seven".