210042341 has 2 divisors, whose sum is σ = 210042342. Its totient is φ = 210042340.

The previous prime is 210042281. The next prime is 210042347. The reversal of 210042341 is 143240012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155725441 + 54316900 = 12479^2 + 7370^2 .

It is a cyclic number.

It is not a de Polignac number, because 210042341 - 2²² = 205848037 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 (210042347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105021170 + 105021171.

It is an arithmetic number, because the mean of its divisors is an integer number (105021171).

Almost surely, 2^210042341 is an apocalyptic number.

It is an amenable number.

210042341 is a deficient number, since it is larger than the sum of its proper divisors (1).

210042341 is an equidigital number, since it uses as much as digits as its factorization.

210042341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210042341 is about 14492.8375758510. The cubic root of 210042341 is about 594.4321404647.

Adding to 210042341 its reverse (143240012), we get a palindrome (353282353).

The spelling of 210042341 in words is "two hundred ten million, forty-two thousand, three hundred forty-one".