42371801 has 2 divisors, whose sum is σ = 42371802. Its totient is φ = 42371800.

The previous prime is 42371783. The next prime is 42371807. The reversal of 42371801 is 10817324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 121801 = 6500^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 42371801 - 2¹⁰ = 42370777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42371807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21185900 + 21185901.

It is an arithmetic number, because the mean of its divisors is an integer number (21185901).

Almost surely, 2^42371801 is an apocalyptic number.

It is an amenable number.

42371801 is a deficient number, since it is larger than the sum of its proper divisors (1).

42371801 is an equidigital number, since it uses as much as digits as its factorization.

42371801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 42371801 is about 6509.3625647985. The cubic root of 42371801 is about 348.6253591242.

The spelling of 42371801 in words is "forty-two million, three hundred seventy-one thousand, eight hundred one".