242953 has 6 divisors (see below), whose sum is σ = 256794. Its totient is φ = 229824.

The previous prime is 242927. The next prime is 242971. The reversal of 242953 is 359242.

It is a happy number.

242953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190969 + 51984 = 437^2 + 228^2 .

It is not a de Polignac number, because 242953 - 2⁹ = 242441 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁴ + 9 + 2¹⁵ + 5 + 3¹¹ .

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (242923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25 + ... + 697.

It is an arithmetic number, because the mean of its divisors is an integer number (42799).

2²⁴²⁹⁵³ is an apocalyptic number.

It is an amenable number.

242953 is a deficient number, since it is larger than the sum of its proper divisors (13841).

242953 is an equidigital number, since it uses as much as digits as its factorization.

242953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 692 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 242953 is about 492.9026273008. The cubic root of 242953 is about 62.3984912248.

The spelling of 242953 in words is "two hundred forty-two thousand, nine hundred fifty-three".