10502561 has 8 divisors (see below), whose sum is σ = 10829544. Its totient is φ = 10177920.

The previous prime is 10502551. The next prime is 10502581. The reversal of 10502561 is 16520501.

It can be written as a sum of positive squares in 4 ways, for example, as 774400 + 9728161 = 880^2 + 3119^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10502561 - 2²² = 6308257 is a prime.

It is a super-2 number, since 2×10502561² = 220607575117442, 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 (10502551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13421 + ... + 14181.

It is an arithmetic number, because the mean of its divisors is an integer number (1353693).

Almost surely, 2^10502561 is an apocalyptic number.

It is an amenable number.

10502561 is a deficient number, since it is larger than the sum of its proper divisors (326983).

10502561 is an equidigital number, since it uses as much as digits as its factorization.

10502561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 10502561 is about 3240.7654959901. The cubic root of 10502561 is about 218.9937586401.

The spelling of 10502561 in words is "ten million, five hundred two thousand, five hundred sixty-one".