528952409 has 8 divisors (see below), whose sum is σ = 532546560. Its totient is φ = 525366000.

The previous prime is 528952397. The next prime is 528952447. The reversal of 528952409 is 904259825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 528952409 - 2²⁸ = 260516953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 528952409.

It is not an unprimeable number, because it can be changed into a prime (528952709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207062 + ... + 209600.

It is an arithmetic number, because the mean of its divisors is an integer number (66568320).

Almost surely, 2^528952409 is an apocalyptic number.

It is an amenable number.

528952409 is a deficient number, since it is larger than the sum of its proper divisors (3594151).

528952409 is a wasteful number, since it uses less digits than its factorization.

528952409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 528952409 is about 22998.9653897735. The cubic root of 528952409 is about 808.7336861261.

The spelling of 528952409 in words is "five hundred twenty-eight million, nine hundred fifty-two thousand, four hundred nine".