42265241 has 2 divisors, whose sum is σ = 42265242. Its totient is φ = 42265240.

The previous prime is 42265231. The next prime is 42265243. The reversal of 42265241 is 14256224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25290841 + 16974400 = 5029^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 42265241 - 2¹⁸ = 42003097 is a prime.

Together with 42265243, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42265241.

It is not a weakly prime, because it can be changed into another prime (42265243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21132620 + 21132621.

It is an arithmetic number, because the mean of its divisors is an integer number (21132621).

Almost surely, 2^42265241 is an apocalyptic number.

It is an amenable number.

42265241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42265241 is an equidigital number, since it uses as much as digits as its factorization.

42265241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 26.

The square root of 42265241 is about 6501.1722789048. The cubic root of 42265241 is about 348.3328634615.

The spelling of 42265241 in words is "forty-two million, two hundred sixty-five thousand, two hundred forty-one".