252166043 has 16 divisors (see below), whose sum is σ = 277862400. Its totient is φ = 227779200.

The previous prime is 252166039. The next prime is 252166069. The reversal of 252166043 is 340661252.

It is a cyclic number.

It is not a de Polignac number, because 252166043 - 2² = 252166039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252165997 and 252166015.

It is not an unprimeable number, because it can be changed into a prime (252166003) 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 15 ways as a sum of consecutive naturals, for example, 174518 + ... + 175956.

It is an arithmetic number, because the mean of its divisors is an integer number (17366400).

Almost surely, 2^252166043 is an apocalyptic number.

252166043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

252166043 is a deficient number, since it is larger than the sum of its proper divisors (25696357).

252166043 is a wasteful number, since it uses less digits than its factorization.

252166043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 252166043 is about 15879.7368680970. The cubic root of 252166043 is about 631.7746577857.

The spelling of 252166043 in words is "two hundred fifty-two million, one hundred sixty-six thousand, forty-three".