10530557 has 2 divisors, whose sum is σ = 10530558. Its totient is φ = 10530556.

The previous prime is 10530551. The next prime is 10530577. The reversal of 10530557 is 75503501.

10530557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8357881 + 2172676 = 2891^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 10530557 - 2⁶ = 10530493 is a prime.

It is a super-2 number, since 2×10530557² = 221785261460498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10530551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5265278 + 5265279.

It is an arithmetic number, because the mean of its divisors is an integer number (5265279).

Almost surely, 2^10530557 is an apocalyptic number.

It is an amenable number.

10530557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10530557 is an equidigital number, since it uses as much as digits as its factorization.

10530557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 10530557 is about 3245.0819712297. The cubic root of 10530557 is about 219.1881718470.

The spelling of 10530557 in words is "ten million, five hundred thirty thousand, five hundred fifty-seven".