252949 has 2 divisors, whose sum is σ = 252950. Its totient is φ = 252948.

The previous prime is 252937. The next prime is 252971. The reversal of 252949 is 949252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208849 + 44100 = 457^2 + 210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252949 is a prime.

It is a Chen prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 252949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126474 + 126475.

It is an arithmetic number, because the mean of its divisors is an integer number (126475).

2²⁵²⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

252949 is a deficient number, since it is larger than the sum of its proper divisors (1).

252949 is an equidigital number, since it uses as much as digits as its factorization.

252949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 252949 is about 502.9403543165. The cubic root of 252949 is about 63.2427853478.

The spelling of 252949 in words is "two hundred fifty-two thousand, nine hundred forty-nine".