10501521 has 8 divisors (see below), whose sum is σ = 14054784. Its totient is φ = 6974640.

The previous prime is 10501499. The next prime is 10501523. The reversal of 10501521 is 12510501.

10501521 is digitally balanced in base 3, because in such base 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 10501521 - 2⁵ = 10501489 is a prime.

It is a super-2 number, since 2×10501521² = 220563886626882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10501521.

It is not an unprimeable number, because it can be changed into a prime (10501523) 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, 5646 + ... + 7271.

It is an arithmetic number, because the mean of its divisors is an integer number (1756848).

Almost surely, 2^10501521 is an apocalyptic number.

It is an amenable number.

10501521 is a deficient number, since it is larger than the sum of its proper divisors (3553263).

10501521 is a wasteful number, since it uses less digits than its factorization.

10501521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13191.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 10501521 is about 3240.6050361005. The cubic root of 10501521 is about 218.9865298944.

The spelling of 10501521 in words is "ten million, five hundred one thousand, five hundred twenty-one".