252107 has 4 divisors (see below), whose sum is σ = 256440. Its totient is φ = 247776.

The previous prime is 252101. The next prime is 252139. The reversal of 252107 is 701252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252107 - 2¹⁴ = 235723 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252101) 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 3 ways as a sum of consecutive naturals, for example, 2078 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (64110).

2²⁵²¹⁰⁷ is an apocalyptic number.

252107 is a deficient number, since it is larger than the sum of its proper divisors (4333).

252107 is an equidigital number, since it uses as much as digits as its factorization.

252107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 252107 is about 502.1025791609. The cubic root of 252107 is about 63.1725345327.

Adding to 252107 its reverse (701252), we get a palindrome (953359).

The spelling of 252107 in words is "two hundred fifty-two thousand, one hundred seven".