242573447 has 2 divisors, whose sum is σ = 242573448. Its totient is φ = 242573446.

The previous prime is 242573423. The next prime is 242573467. The reversal of 242573447 is 744375242.

It is a happy number.

242573447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242573447 is a prime.

It is a super-3 number, since 3×242573447³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242573447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242573467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121286723 + 121286724.

It is an arithmetic number, because the mean of its divisors is an integer number (121286724).

Almost surely, 2^242573447 is an apocalyptic number.

242573447 is a deficient number, since it is larger than the sum of its proper divisors (1).

242573447 is an equidigital number, since it uses as much as digits as its factorization.

242573447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 38.

The square root of 242573447 is about 15574.7695649085. The cubic root of 242573447 is about 623.6598030227.

The spelling of 242573447 in words is "two hundred forty-two million, five hundred seventy-three thousand, four hundred forty-seven".