10524421 has 4 divisors (see below), whose sum is σ = 10589152. Its totient is φ = 10459692.

The previous prime is 10524389. The next prime is 10524431. The reversal of 10524421 is 12442501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12442501 = 31 ⋅401371.

It is a cyclic number.

It is not a de Polignac number, because 10524421 - 2⁵ = 10524389 is a prime.

It is a super-2 number, since 2×10524421² = 221526874770482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10524431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32121 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (2647288).

Almost surely, 2^10524421 is an apocalyptic number.

It is an amenable number.

10524421 is a deficient number, since it is larger than the sum of its proper divisors (64731).

10524421 is an equidigital number, since it uses as much as digits as its factorization.

10524421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64730.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 10524421 is about 3244.1364028043. The cubic root of 10524421 is about 219.1455910056.

Adding to 10524421 its reverse (12442501), we get a palindrome (22966922).

The spelling of 10524421 in words is "ten million, five hundred twenty-four thousand, four hundred twenty-one".