527429921 has 8 divisors (see below), whose sum is σ = 531256320. Its totient is φ = 523611808.

The previous prime is 527429899. The next prime is 527429923. The reversal of 527429921 is 129924725.

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 527429921 - 2¹⁰ = 527428897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (527429923) 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, 181760 + ... + 184638.

It is an arithmetic number, because the mean of its divisors is an integer number (66407040).

Almost surely, 2^527429921 is an apocalyptic number.

It is an amenable number.

527429921 is a deficient number, since it is larger than the sum of its proper divisors (3826399).

527429921 is a wasteful number, since it uses less digits than its factorization.

527429921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143.

The product of its digits is 90720, while the sum is 41.

The square root of 527429921 is about 22965.8424840022. The cubic root of 527429921 is about 807.9570122418.

The spelling of 527429921 in words is "five hundred twenty-seven million, four hundred twenty-nine thousand, nine hundred twenty-one".