1016934521 has 8 divisors (see below), whose sum is σ = 1042161288. Its totient is φ = 991728000.

The previous prime is 1016934469. The next prime is 1016934547. The reversal of 1016934521 is 1254396101.

It can be written as a sum of positive squares in 4 ways, for example, as 342805225 + 674129296 = 18515^2 + 25964^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016934521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1016934221) 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, 171791 + ... + 177611.

It is an arithmetic number, because the mean of its divisors is an integer number (130270161).

Almost surely, 2^1016934521 is an apocalyptic number.

It is an amenable number.

1016934521 is a deficient number, since it is larger than the sum of its proper divisors (25226767).

1016934521 is an equidigital number, since it uses as much as digits as its factorization.

1016934521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1016934521 is about 31889.4107973164. The cubic root of 1016934521 is about 1005.6132725487.

The spelling of 1016934521 in words is "one billion, sixteen million, nine hundred thirty-four thousand, five hundred twenty-one".