18010052 has 6 divisors (see below), whose sum is σ = 31517598. Its totient is φ = 9005024.

The previous prime is 18010051. The next prime is 18010061. The reversal of 18010052 is 25001081.

It can be written as a sum of positive squares in only one way, i.e., 9634816 + 8375236 = 3104^2 + 2894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18010052.

It is not an unprimeable number, because it can be changed into a prime (18010051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2251253 + ... + 2251260.

It is an arithmetic number, because the mean of its divisors is an integer number (5252933).

Almost surely, 2^18010052 is an apocalyptic number.

It is an amenable number.

18010052 is a deficient number, since it is larger than the sum of its proper divisors (13507546).

18010052 is a wasteful number, since it uses less digits than its factorization.

18010052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502517 (or 4502515 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 18010052 is about 4243.8251613374. The cubic root of 18010052 is about 262.1229149583.

The spelling of 18010052 in words is "eighteen million, ten thousand, fifty-two".