252951 has 4 divisors (see below), whose sum is σ = 337272. Its totient is φ = 168632.

The previous prime is 252949. The next prime is 252971. The reversal of 252951 is 159252.

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 252951 - 2¹ = 252949 is a prime.

It is a D-number.

252951 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252951.

It is not an unprimeable number, because it can be changed into a prime (252911) 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, 42156 + ... + 42161.

It is an arithmetic number, because the mean of its divisors is an integer number (84318).

2²⁵²⁹⁵¹ is an apocalyptic number.

252951 is a deficient number, since it is larger than the sum of its proper divisors (84321).

252951 is an equidigital number, since it uses as much as digits as its factorization.

252951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84320.

The product of its digits is 900, while the sum is 24.

The square root of 252951 is about 502.9423426199. The cubic root of 252951 is about 63.2429520286.

The spelling of 252951 in words is "two hundred fifty-two thousand, nine hundred fifty-one".