10821527 has 2 divisors, whose sum is σ = 10821528. Its totient is φ = 10821526.

The previous prime is 10821497. The next prime is 10821529. The reversal of 10821527 is 72512801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10821527 - 2⁶ = 10821463 is a prime.

It is a super-2 number, since 2×10821527² = 234210893223458, which contains 22 as substring.

Together with 10821529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10821496 and 10821505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10821529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5410763 + 5410764.

It is an arithmetic number, because the mean of its divisors is an integer number (5410764).

Almost surely, 2^10821527 is an apocalyptic number.

10821527 is a deficient number, since it is larger than the sum of its proper divisors (1).

10821527 is an equidigital number, since it uses as much as digits as its factorization.

10821527 is an evil number, because the sum of its binary digits is even.

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

The square root of 10821527 is about 3289.6089433244. The cubic root of 10821527 is about 221.1886556819.

The spelling of 10821527 in words is "ten million, eight hundred twenty-one thousand, five hundred twenty-seven".