10609521 has 8 divisors (see below), whose sum is σ = 15234240. Its totient is φ = 6528912.

The previous prime is 10609493. The next prime is 10609537. The reversal of 10609521 is 12590601.

10609521 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10609521 - 2²³ = 2220913 is a prime.

It is a super-2 number, since 2×10609521² = 225123871698882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10609491 and 10609500.

It is not an unprimeable number, because it can be changed into a prime (10609541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135981 + ... + 136058.

It is an arithmetic number, because the mean of its divisors is an integer number (1904280).

Almost surely, 2^10609521 is an apocalyptic number.

It is an amenable number.

10609521 is a deficient number, since it is larger than the sum of its proper divisors (4624719).

10609521 is a wasteful number, since it uses less digits than its factorization.

10609521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272055.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 10609521 is about 3257.2259669848. The cubic root of 10609521 is about 219.7346732494.

The spelling of 10609521 in words is "ten million, six hundred nine thousand, five hundred twenty-one".