10520530 has 16 divisors (see below), whose sum is σ = 18975384. Its totient is φ = 4199680.

The previous prime is 10520507. The next prime is 10520537. The reversal of 10520530 is 3502501.

It can be written as a sum of positive squares in 4 ways, for example, as 3972049 + 6548481 = 1993^2 + 2559^2 .

It is a super-2 number, since 2×10520530² = 221363102961800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7050 + ... + 8410.

Almost surely, 2^10520530 is an apocalyptic number.

10520530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10520530 is a deficient number, since it is larger than the sum of its proper divisors (8454854).

10520530 is a wasteful number, since it uses less digits than its factorization.

10520530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 10520530 is about 3243.5366500165. The cubic root of 10520530 is about 219.1185807913.

The spelling of 10520530 in words is "ten million, five hundred twenty thousand, five hundred thirty".