242371 has 2 divisors, whose sum is σ = 242372. Its totient is φ = 242370.

The previous prime is 242357. The next prime is 242377. The reversal of 242371 is 173242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242371 - 2⁷ = 242243 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2³ + 4⁸ + 3¹⁰ + 2⁷ + 7⁶ + 1 .

It is not a weakly prime, because it can be changed into another prime (242377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121185 + 121186.

It is an arithmetic number, because the mean of its divisors is an integer number (121186).

2²⁴²³⁷¹ is an apocalyptic number.

242371 is a deficient number, since it is larger than the sum of its proper divisors (1).

242371 is an equidigital number, since it uses as much as digits as its factorization.

242371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 19.

The square root of 242371 is about 492.3118930109. The cubic root of 242371 is about 62.3486256690.

The spelling of 242371 in words is "two hundred forty-two thousand, three hundred seventy-one", and thus it is an iban number.