252189101 has 8 divisors (see below), whose sum is σ = 267450624. Its totient is φ = 236975040.

The previous prime is 252189097. The next prime is 252189103. The reversal of 252189101 is 101981252.

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

It is a cyclic number.

It is not a de Polignac number, because 252189101 - 2² = 252189097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252189103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605 + ... + 22466.

It is an arithmetic number, because the mean of its divisors is an integer number (33431328).

Almost surely, 2^252189101 is an apocalyptic number.

It is an amenable number.

252189101 is a deficient number, since it is larger than the sum of its proper divisors (15261523).

252189101 is a wasteful number, since it uses less digits than its factorization.

252189101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23731.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 252189101 is about 15880.4628710879. The cubic root of 252189101 is about 631.7939136378.

The spelling of 252189101 in words is "two hundred fifty-two million, one hundred eighty-nine thousand, one hundred one".