10256530 has 8 divisors (see below), whose sum is σ = 18461772. Its totient is φ = 4102608.

The previous prime is 10256527. The next prime is 10256531. The reversal of 10256530 is 3565201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10220809 + 35721 = 3197^2 + 189^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10256531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512817 + ... + 512836.

Almost surely, 2^10256530 is an apocalyptic number.

10256530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10256530 is a deficient number, since it is larger than the sum of its proper divisors (8205242).

10256530 is a wasteful number, since it uses less digits than its factorization.

10256530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025660.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 10256530 is about 3202.5817710091. The cubic root of 10256530 is about 217.2701937059.

The spelling of 10256530 in words is "ten million, two hundred fifty-six thousand, five hundred thirty".