42031201 has 2 divisors, whose sum is σ = 42031202. Its totient is φ = 42031200.

The previous prime is 42031181. The next prime is 42031243. The reversal of 42031201 is 10213024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24800400 + 17230801 = 4980^2 + 4151^2 .

It is a cyclic number.

It is not a de Polignac number, because 42031201 - 2¹¹ = 42029153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42031271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015600 + 21015601.

It is an arithmetic number, because the mean of its divisors is an integer number (21015601).

Almost surely, 2^42031201 is an apocalyptic number.

It is an amenable number.

42031201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42031201 is an equidigital number, since it uses as much as digits as its factorization.

42031201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42031201 is about 6483.1474609174. The cubic root of 42031201 is about 347.6887189822.

Adding to 42031201 its reverse (10213024), we get a palindrome (52244225).

The spelling of 42031201 in words is "forty-two million, thirty-one thousand, two hundred one".