242151053 has 2 divisors, whose sum is σ = 242151054. Its totient is φ = 242151052.

The previous prime is 242151023. The next prime is 242151113. The reversal of 242151053 is 350151242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172712164 + 69438889 = 13142^2 + 8333^2 .

It is a cyclic number.

It is not a de Polignac number, because 242151053 - 2⁶ = 242150989 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242151023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121075526 + 121075527.

It is an arithmetic number, because the mean of its divisors is an integer number (121075527).

Almost surely, 2^242151053 is an apocalyptic number.

It is an amenable number.

242151053 is a deficient number, since it is larger than the sum of its proper divisors (1).

242151053 is an equidigital number, since it uses as much as digits as its factorization.

242151053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 242151053 is about 15561.2034560313. The cubic root of 242151053 is about 623.2975990331.

The spelling of 242151053 in words is "two hundred forty-two million, one hundred fifty-one thousand, fifty-three".