10827521 has 8 divisors (see below), whose sum is σ = 11550600. Its totient is φ = 10114048.

The previous prime is 10827517. The next prime is 10827539. The reversal of 10827521 is 12572801.

It can be written as a sum of positive squares in 4 ways, for example, as 6682225 + 4145296 = 2585^2 + 2036^2 .

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

It is not a de Polignac number, because 10827521 - 2² = 10827517 is a prime.

It is a super-2 number, since 2×10827521² = 234470422010882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10827541) 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, 5 + ... + 4653.

It is an arithmetic number, because the mean of its divisors is an integer number (1443825).

Almost surely, 2^10827521 is an apocalyptic number.

It is an amenable number.

10827521 is a deficient number, since it is larger than the sum of its proper divisors (723079).

10827521 is a wasteful number, since it uses less digits than its factorization.

10827521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 10827521 is about 3290.5198677413. The cubic root of 10827521 is about 221.2294866444.

The spelling of 10827521 in words is "ten million, eight hundred twenty-seven thousand, five hundred twenty-one".