10504521 has 24 divisors (see below), whose sum is σ = 16308864. Its totient is φ = 6491520.

The previous prime is 10504519. The next prime is 10504523. The reversal of 10504521 is 12540501.

It is an interprime number because it is at equal distance from previous prime (10504519) and next prime (10504523).

It is not a de Polignac number, because 10504521 - 2¹ = 10504519 is a prime.

It is a super-2 number, since 2×10504521² = 220689922878882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10504494 and 10504503.

It is not an unprimeable number, because it can be changed into a prime (10504523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10380 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (679536).

Almost surely, 2^10504521 is an apocalyptic number.

It is an amenable number.

10504521 is a deficient number, since it is larger than the sum of its proper divisors (5804343).

10504521 is a wasteful number, since it uses less digits than its factorization.

10504521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 10504521 is about 3241.0678795730. The cubic root of 10504521 is about 219.0073807483.

It can be divided in two parts, 10504 and 521, that added together give a square (11025 = 105²).

The spelling of 10504521 in words is "ten million, five hundred four thousand, five hundred twenty-one".