242054399 has 2 divisors, whose sum is σ = 242054400. Its totient is φ = 242054398.

The previous prime is 242054383. The next prime is 242054411. The reversal of 242054399 is 993450242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242054399 - 2⁴ = 242054383 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 (242054299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121027199 + 121027200.

It is an arithmetic number, because the mean of its divisors is an integer number (121027200).

Almost surely, 2^242054399 is an apocalyptic number.

242054399 is a deficient number, since it is larger than the sum of its proper divisors (1).

242054399 is an equidigital number, since it uses as much as digits as its factorization.

242054399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 242054399 is about 15558.0975379382. The cubic root of 242054399 is about 623.2146587600.

The spelling of 242054399 in words is "two hundred forty-two million, fifty-four thousand, three hundred ninety-nine".