10611521 has 2 divisors, whose sum is σ = 10611522. Its totient is φ = 10611520.

The previous prime is 10611493. The next prime is 10611541. The reversal of 10611521 is 12511601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10010896 + 600625 = 3164^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 10611521 - 2⁶ = 10611457 is a prime.

It is a super-2 number, since 2×10611521² = 225208755866882, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10611521.

It is not a weakly prime, because it can be changed into another prime (10611541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305760 + 5305761.

It is an arithmetic number, because the mean of its divisors is an integer number (5305761).

Almost surely, 2^10611521 is an apocalyptic number.

It is an amenable number.

10611521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10611521 is an equidigital number, since it uses as much as digits as its factorization.

10611521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 10611521 is about 3257.5329622277. The cubic root of 10611521 is about 219.7484797707.

The spelling of 10611521 in words is "ten million, six hundred eleven thousand, five hundred twenty-one".