10521617 has 8 divisors (see below), whose sum is σ = 10924032. Its totient is φ = 10123200.

The previous prime is 10521607. The next prime is 10521629. The reversal of 10521617 is 71612501.

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 10521617 - 2⁸ = 10521361 is a prime.

It is a super-2 number, since 2×10521617² = 221408848589378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10521592 and 10521601.

It is not an unprimeable number, because it can be changed into a prime (10521607) 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, 5033 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (1365504).

Almost surely, 2^10521617 is an apocalyptic number.

It is an amenable number.

10521617 is a deficient number, since it is larger than the sum of its proper divisors (402415).

10521617 is a wasteful number, since it uses less digits than its factorization.

10521617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 10521617 is about 3243.7042096961. The cubic root of 10521617 is about 219.1261271061.

The spelling of 10521617 in words is "ten million, five hundred twenty-one thousand, six hundred seventeen".