242273687 has 2 divisors, whose sum is σ = 242273688. Its totient is φ = 242273686.

The previous prime is 242273683. The next prime is 242273719. The reversal of 242273687 is 786372242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242273687 - 2² = 242273683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242273683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121136843 + 121136844.

It is an arithmetic number, because the mean of its divisors is an integer number (121136844).

Almost surely, 2^242273687 is an apocalyptic number.

242273687 is a deficient number, since it is larger than the sum of its proper divisors (1).

242273687 is an equidigital number, since it uses as much as digits as its factorization.

242273687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 41.

The square root of 242273687 is about 15565.1433337442. The cubic root of 242273687 is about 623.4028013808.

The spelling of 242273687 in words is "two hundred forty-two million, two hundred seventy-three thousand, six hundred eighty-seven".