242195801 has 2 divisors, whose sum is σ = 242195802. Its totient is φ = 242195800.

The previous prime is 242195797. The next prime is 242195917. The reversal of 242195801 is 108591242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178195801 + 64000000 = 13349^2 + 8000^2 .

It is a cyclic number.

It is not a de Polignac number, because 242195801 - 2² = 242195797 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242195201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121097900 + 121097901.

It is an arithmetic number, because the mean of its divisors is an integer number (121097901).

Almost surely, 2^242195801 is an apocalyptic number.

It is an amenable number.

242195801 is a deficient number, since it is larger than the sum of its proper divisors (1).

242195801 is an equidigital number, since it uses as much as digits as its factorization.

242195801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 242195801 is about 15562.6411961466. The cubic root of 242195801 is about 623.3359905009.

The spelling of 242195801 in words is "two hundred forty-two million, one hundred ninety-five thousand, eight hundred one".