10269521 has 2 divisors, whose sum is σ = 10269522. Its totient is φ = 10269520.

The previous prime is 10269517. The next prime is 10269529. The reversal of 10269521 is 12596201.

10269521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 1795600 = 2911^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 10269521 - 2² = 10269517 is a prime.

It is not a weakly prime, because it can be changed into another prime (10269529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5134760 + 5134761.

It is an arithmetic number, because the mean of its divisors is an integer number (5134761).

Almost surely, 2^10269521 is an apocalyptic number.

It is an amenable number.

10269521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10269521 is an equidigital number, since it uses as much as digits as its factorization.

10269521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10269521 is about 3204.6093365651. The cubic root of 10269521 is about 217.3618870380.

The spelling of 10269521 in words is "ten million, two hundred sixty-nine thousand, five hundred twenty-one".