18650052 has 18 divisors (see below), whose sum is σ = 47143278. Its totient is φ = 6216672.

The previous prime is 18650041. The next prime is 18650057. The reversal of 18650052 is 25005681.

18650052 is a `hidden beast` number, since 1 + 8 + 650 + 0 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18096516 + 553536 = 4254^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 18649998 and 18650025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18650057) 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 5 ways as a sum of consecutive naturals, for example, 258993 + ... + 259064.

It is an arithmetic number, because the mean of its divisors is an integer number (2619071).

Almost surely, 2^18650052 is an apocalyptic number.

18650052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18650052 is an abundant number, since it is smaller than the sum of its proper divisors (28493226).

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

18650052 is a wasteful number, since it uses less digits than its factorization.

18650052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518067 (or 518062 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 18650052 is about 4318.5705968526. The cubic root of 18650052 is about 265.1917539392.

The spelling of 18650052 in words is "eighteen million, six hundred fifty thousand, fifty-two".