10530257 has 4 divisors (see below), whose sum is σ = 10570560. Its totient is φ = 10489956.

The previous prime is 10530253. The next prime is 10530263. The reversal of 10530257 is 75203501.

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 a cyclic number.

It is not a de Polignac number, because 10530257 - 2² = 10530253 is a prime.

It is a super-2 number, since 2×10530257² = 221772624972098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10530253) 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 3 ways as a sum of consecutive naturals, for example, 19757 + ... + 20282.

It is an arithmetic number, because the mean of its divisors is an integer number (2642640).

Almost surely, 2^10530257 is an apocalyptic number.

It is an amenable number.

10530257 is a deficient number, since it is larger than the sum of its proper divisors (40303).

10530257 is an equidigital number, since it uses as much as digits as its factorization.

10530257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40302.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 10530257 is about 3245.0357471066. The cubic root of 10530257 is about 219.1860903782.

Adding to 10530257 its reverse (75203501), we get a palindrome (85733758).

The spelling of 10530257 in words is "ten million, five hundred thirty thousand, two hundred fifty-seven".