10218530 has 64 divisors (see below), whose sum is σ = 23058432. Its totient is φ = 3179520.

The previous prime is 10218521. The next prime is 10218539. The reversal of 10218530 is 3581201.

10218530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10218521) and next prime (10218539).

It is not an unprimeable number, because it can be changed into a prime (10218539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36752 + ... + 37028.

It is an arithmetic number, because the mean of its divisors is an integer number (360288).

Almost surely, 2^10218530 is an apocalyptic number.

10218530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10218530 is an abundant number, since it is smaller than the sum of its proper divisors (12839902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10218530 is a wasteful number, since it uses less digits than its factorization.

10218530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 10218530 is about 3196.6435522279. The cubic root of 10218530 is about 217.0015360874.

Adding to 10218530 its reverse (3581201), we get a palindrome (13799731).

The spelling of 10218530 in words is "ten million, two hundred eighteen thousand, five hundred thirty".