242256051 has 6 divisors (see below), whose sum is σ = 349925420. Its totient is φ = 161504028.

The previous prime is 242256043. The next prime is 242256127. The reversal of 242256051 is 150652242.

It is not a de Polignac number, because 242256051 - 2³ = 242256043 is a prime.

It is a super-3 number, since 3×242256051³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242256031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13458661 + ... + 13458678.

Almost surely, 2^242256051 is an apocalyptic number.

242256051 is a deficient number, since it is larger than the sum of its proper divisors (107669369).

242256051 is a wasteful number, since it uses less digits than its factorization.

242256051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26917345 (or 26917342 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 242256051 is about 15564.5768011854. The cubic root of 242256051 is about 623.3876744132.

It can be divided in two parts, 24225 and 6051, that added together give a square (30276 = 174²).

The spelling of 242256051 in words is "two hundred forty-two million, two hundred fifty-six thousand, fifty-one".