242547029 has 6 divisors (see below), whose sum is σ = 253551606. Its totient is φ = 232001000.

The previous prime is 242547023. The next prime is 242547037. The reversal of 242547029 is 920745242.

It can be written as a sum of positive squares in only one way, i.e., 240312004 + 2235025 = 15502^2 + 1495^2 .

It is not a de Polignac number, because 242547029 - 2¹² = 242542933 is a prime.

It is a super-2 number, since 2×242547029² = 117658122553453682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242547029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242547023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228722 + ... + 229779.

It is an arithmetic number, because the mean of its divisors is an integer number (42258601).

Almost surely, 2^242547029 is an apocalyptic number.

It is an amenable number.

242547029 is a deficient number, since it is larger than the sum of its proper divisors (11004577).

242547029 is an equidigital number, since it uses as much as digits as its factorization.

242547029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458547 (or 458524 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 242547029 is about 15573.9214393806. The cubic root of 242547029 is about 623.6371618488.

The spelling of 242547029 in words is "two hundred forty-two million, five hundred forty-seven thousand, twenty-nine".