242629 has 2 divisors, whose sum is σ = 242630. Its totient is φ = 242628.

The previous prime is 242621. The next prime is 242633. The reversal of 242629 is 926242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168100 + 74529 = 410^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 242629 - 2³ = 242621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242621) 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 as a sum of consecutive naturals, namely, 121314 + 121315.

It is an arithmetic number, because the mean of its divisors is an integer number (121315).

2²⁴²⁶²⁹ is an apocalyptic number.

It is an amenable number.

242629 is a deficient number, since it is larger than the sum of its proper divisors (1).

242629 is an equidigital number, since it uses as much as digits as its factorization.

242629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 242629 is about 492.5738523308. The cubic root of 242629 is about 62.3707408575.

It can be divided in two parts, 2 and 42629, that multiplied together give a palindrome (85258).

The spelling of 242629 in words is "two hundred forty-two thousand, six hundred twenty-nine".