10520213 has 4 divisors (see below), whose sum is σ = 11476608. Its totient is φ = 9563820.

The previous prime is 10520207. The next prime is 10520219. The reversal of 10520213 is 31202501.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (10520207) and next prime (10520219).

It is a cyclic number.

It is not a de Polignac number, because 10520213 - 2¹⁰ = 10519189 is a prime.

It is a super-2 number, since 2×10520213² = 221349763130738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520219) 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, 478181 + ... + 478202.

It is an arithmetic number, because the mean of its divisors is an integer number (2869152).

Almost surely, 2^10520213 is an apocalyptic number.

It is an amenable number.

10520213 is a deficient number, since it is larger than the sum of its proper divisors (956395).

10520213 is an equidigital number, since it uses as much as digits as its factorization.

10520213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956394.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10520213 is about 3243.4877832358. The cubic root of 10520213 is about 219.1163799741.

Adding to 10520213 its reverse (31202501), we get a palindrome (41722714).

The spelling of 10520213 in words is "ten million, five hundred twenty thousand, two hundred thirteen".