1030257530 has 8 divisors (see below), whose sum is σ = 1854463572. Its totient is φ = 412103008.

The previous prime is 1030257493. The next prime is 1030257533. The reversal of 1030257530 is 357520301.

It can be written as a sum of positive squares in 2 ways, for example, as 888099601 + 142157929 = 29801^2 + 11923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1030257530² = 2122861156243401800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1030257530.

It is not an unprimeable number, because it can be changed into a prime (1030257533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51512867 + ... + 51512886.

Almost surely, 2^1030257530 is an apocalyptic number.

1030257530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030257530 is a deficient number, since it is larger than the sum of its proper divisors (824206042).

1030257530 is a wasteful number, since it uses less digits than its factorization.

1030257530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103025760.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 1030257530 is about 32097.6249900207. The cubic root of 1030257530 is about 1009.9857953105.

Adding to 1030257530 its reverse (357520301), we get a palindrome (1387777831).

The spelling of 1030257530 in words is "one billion, thirty million, two hundred fifty-seven thousand, five hundred thirty".