242067751 has 2 divisors, whose sum is σ = 242067752. Its totient is φ = 242067750.

The previous prime is 242067713. The next prime is 242067767. The reversal of 242067751 is 157760242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242067751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242067151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121033875 + 121033876.

It is an arithmetic number, because the mean of its divisors is an integer number (121033876).

Almost surely, 2^242067751 is an apocalyptic number.

242067751 is a deficient number, since it is larger than the sum of its proper divisors (1).

242067751 is an equidigital number, since it uses as much as digits as its factorization.

242067751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 242067751 is about 15558.5266333287. The cubic root of 242067751 is about 623.2261176293.

The spelling of 242067751 in words is "two hundred forty-two million, sixty-seven thousand, seven hundred fifty-one".