42246271 has 2 divisors, whose sum is σ = 42246272. Its totient is φ = 42246270.

The previous prime is 42246263. The next prime is 42246299. The reversal of 42246271 is 17264224.

It is a happy number.

It is an a-pointer prime, because the next prime (42246299) can be obtained adding 42246271 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42246271 - 2³ = 42246263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42246571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21123135 + 21123136.

It is an arithmetic number, because the mean of its divisors is an integer number (21123136).

Almost surely, 2^42246271 is an apocalyptic number.

42246271 is a deficient number, since it is larger than the sum of its proper divisors (1).

42246271 is an equidigital number, since it uses as much as digits as its factorization.

42246271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 42246271 is about 6499.7131475166. The cubic root of 42246271 is about 348.2807413306.

The spelling of 42246271 in words is "forty-two million, two hundred forty-six thousand, two hundred seventy-one".