242210051 has 2 divisors, whose sum is σ = 242210052. Its totient is φ = 242210050.

The previous prime is 242210047. The next prime is 242210057. The reversal of 242210051 is 150012242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242210051 - 2² = 242210047 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242210057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121105025 + 121105026.

It is an arithmetic number, because the mean of its divisors is an integer number (121105026).

Almost surely, 2^242210051 is an apocalyptic number.

242210051 is a deficient number, since it is larger than the sum of its proper divisors (1).

242210051 is an equidigital number, since it uses as much as digits as its factorization.

242210051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 242210051 is about 15563.0990165841. The cubic root of 242210051 is about 623.3482152706.

Adding to 242210051 its reverse (150012242), we get a palindrome (392222293).

The spelling of 242210051 in words is "two hundred forty-two million, two hundred ten thousand, fifty-one".