42938201 has 2 divisors, whose sum is σ = 42938202. Its totient is φ = 42938200.

The previous prime is 42938197. The next prime is 42938219. The reversal of 42938201 is 10283924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 8128201 = 5900^2 + 2851^2 .

It is a cyclic number.

It is not a de Polignac number, because 42938201 - 2² = 42938197 is a prime.

It is not a weakly prime, because it can be changed into another prime (42938221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21469100 + 21469101.

It is an arithmetic number, because the mean of its divisors is an integer number (21469101).

Almost surely, 2^42938201 is an apocalyptic number.

It is an amenable number.

42938201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42938201 is an equidigital number, since it uses as much as digits as its factorization.

42938201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 42938201 is about 6552.7247004586. The cubic root of 42938201 is about 350.1718910777.

The spelling of 42938201 in words is "forty-two million, nine hundred thirty-eight thousand, two hundred one".