42701089 has 2 divisors, whose sum is σ = 42701090. Its totient is φ = 42701088.

The previous prime is 42701081. The next prime is 42701111. The reversal of 42701089 is 98010724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42146064 + 555025 = 6492^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 42701089 - 2³ = 42701081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42701089.

It is not a weakly prime, because it can be changed into another prime (42701081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21350544 + 21350545.

It is an arithmetic number, because the mean of its divisors is an integer number (21350545).

Almost surely, 2^42701089 is an apocalyptic number.

It is an amenable number.

42701089 is a deficient number, since it is larger than the sum of its proper divisors (1).

42701089 is an equidigital number, since it uses as much as digits as its factorization.

42701089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 42701089 is about 6534.6070272052. The cubic root of 42701089 is about 349.5261315034.

The spelling of 42701089 in words is "forty-two million, seven hundred one thousand, eighty-nine".