242267477 has 2 divisors, whose sum is σ = 242267478. Its totient is φ = 242267476.

The previous prime is 242267471. The next prime is 242267497. The reversal of 242267477 is 774762242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168324676 + 73942801 = 12974^2 + 8599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242267477 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 (242267471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121133738 + 121133739.

It is an arithmetic number, because the mean of its divisors is an integer number (121133739).

Almost surely, 2^242267477 is an apocalyptic number.

It is an amenable number.

242267477 is a deficient number, since it is larger than the sum of its proper divisors (1).

242267477 is an equidigital number, since it uses as much as digits as its factorization.

242267477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 263424, while the sum is 41.

The square root of 242267477 is about 15564.9438482765. The cubic root of 242267477 is about 623.3974749467.

The spelling of 242267477 in words is "two hundred forty-two million, two hundred sixty-seven thousand, four hundred seventy-seven".