10315521 has 12 divisors (see below), whose sum is σ = 15123472. Its totient is φ = 6773976.

The previous prime is 10315483. The next prime is 10315531. The reversal of 10315521 is 12551301.

It is not a de Polignac number, because 10315521 - 2¹⁰ = 10314497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10315494 and 10315503.

It is not an unprimeable number, because it can be changed into a prime (10315531) 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 in 11 ways as a sum of consecutive naturals, for example, 7951 + ... + 9156.

Almost surely, 2^10315521 is an apocalyptic number.

It is an amenable number.

10315521 is a deficient number, since it is larger than the sum of its proper divisors (4807951).

10315521 is a wasteful number, since it uses less digits than its factorization.

10315521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17180 (or 17177 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 10315521 is about 3211.7784792853. The cubic root of 10315521 is about 217.6859448316.

Adding to 10315521 its reverse (12551301), we get a palindrome (22866822).

The spelling of 10315521 in words is "ten million, three hundred fifteen thousand, five hundred twenty-one".