242453 has 2 divisors, whose sum is σ = 242454. Its totient is φ = 242452.

The previous prime is 242449. The next prime is 242467. The reversal of 242453 is 354242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195364 + 47089 = 442^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 242453 - 2² = 242449 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121226 + 121227.

It is an arithmetic number, because the mean of its divisors is an integer number (121227).

2²⁴²⁴⁵³ is an apocalyptic number.

It is an amenable number.

242453 is a deficient number, since it is larger than the sum of its proper divisors (1).

242453 is an equidigital number, since it uses as much as digits as its factorization.

242453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 20.

The square root of 242453 is about 492.3951665076. The cubic root of 242453 is about 62.3556562280.

Adding to 242453 its reverse (354242), we get a palindrome (596695).

The spelling of 242453 in words is "two hundred forty-two thousand, four hundred fifty-three".