242462257 has 2 divisors, whose sum is σ = 242462258. Its totient is φ = 242462256.

The previous prime is 242462239. The next prime is 242462261. The reversal of 242462257 is 752264242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157527601 + 84934656 = 12551^2 + 9216^2 .

It is a cyclic number.

It is not a de Polignac number, because 242462257 - 2¹¹ = 242460209 is a prime.

It is not a weakly prime, because it can be changed into another prime (242462557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121231128 + 121231129.

It is an arithmetic number, because the mean of its divisors is an integer number (121231129).

Almost surely, 2^242462257 is an apocalyptic number.

It is an amenable number.

242462257 is a deficient number, since it is larger than the sum of its proper divisors (1).

242462257 is an equidigital number, since it uses as much as digits as its factorization.

242462257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 34.

The square root of 242462257 is about 15571.1996005446. The cubic root of 242462257 is about 623.5644980991.

The spelling of 242462257 in words is "two hundred forty-two million, four hundred sixty-two thousand, two hundred fifty-seven".