10520429 has 2 divisors, whose sum is σ = 10520430. Its totient is φ = 10520428.

The previous prime is 10520401. The next prime is 10520431. The reversal of 10520429 is 92402501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5299204 + 5221225 = 2302^2 + 2285^2 .

It is an emirp because it is prime and its reverse (92402501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10520429 - 2¹² = 10516333 is a prime.

It is a super-2 number, since 2×10520429² = 221358852688082, which contains 22 as substring.

Together with 10520431, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10520449) 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 as a sum of consecutive naturals, namely, 5260214 + 5260215.

It is an arithmetic number, because the mean of its divisors is an integer number (5260215).

Almost surely, 2^10520429 is an apocalyptic number.

It is an amenable number.

10520429 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520429 is an equidigital number, since it uses as much as digits as its factorization.

10520429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10520429 is about 3243.5210805543. The cubic root of 10520429 is about 219.1178795893.

The spelling of 10520429 in words is "ten million, five hundred twenty thousand, four hundred twenty-nine".