10520251 has 12 divisors (see below), whose sum is σ = 12524952. Its totient is φ = 8805888.

The previous prime is 10520227. The next prime is 10520291. The reversal of 10520251 is 15202501.

It is not a de Polignac number, because 10520251 - 2⁵ = 10520219 is a prime.

It is a super-2 number, since 2×10520251² = 221351362206002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10520201) 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 in 11 ways as a sum of consecutive naturals, for example, 390 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (1043746).

Almost surely, 2^10520251 is an apocalyptic number.

10520251 is a deficient number, since it is larger than the sum of its proper divisors (2004701).

10520251 is an equidigital number, since it uses as much as digits as its factorization.

10520251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050 (or 5043 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10520251 is about 3243.4936411222. The cubic root of 10520251 is about 219.1166437968.

Adding to 10520251 its reverse (15202501), we get a palindrome (25722752).

The spelling of 10520251 in words is "ten million, five hundred twenty thousand, two hundred fifty-one".