242446487 has 2 divisors, whose sum is σ = 242446488. Its totient is φ = 242446486.

The previous prime is 242446481. The next prime is 242446499. The reversal of 242446487 is 784644242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242446487 - 2¹² = 242442391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242446481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121223243 + 121223244.

It is an arithmetic number, because the mean of its divisors is an integer number (121223244).

Almost surely, 2^242446487 is an apocalyptic number.

242446487 is a deficient number, since it is larger than the sum of its proper divisors (1).

242446487 is an equidigital number, since it uses as much as digits as its factorization.

242446487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 41.

The square root of 242446487 is about 15570.6932087175. The cubic root of 242446487 is about 623.5509787092.

The spelling of 242446487 in words is "two hundred forty-two million, four hundred forty-six thousand, four hundred eighty-seven".