42670241 has 2 divisors, whose sum is σ = 42670242. Its totient is φ = 42670240.

The previous prime is 42670231. The next prime is 42670253. The reversal of 42670241 is 14207624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42315025 + 355216 = 6505^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 42670241 - 2¹⁰ = 42669217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42670241.

It is not a weakly prime, because it can be changed into another prime (42670231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21335120 + 21335121.

It is an arithmetic number, because the mean of its divisors is an integer number (21335121).

Almost surely, 2^42670241 is an apocalyptic number.

It is an amenable number.

42670241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42670241 is an equidigital number, since it uses as much as digits as its factorization.

42670241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42670241 is about 6532.2462445930. The cubic root of 42670241 is about 349.4419433338.

Adding to 42670241 its reverse (14207624), we get a palindrome (56877865).

The spelling of 42670241 in words is "forty-two million, six hundred seventy thousand, two hundred forty-one".