42027269 has 2 divisors, whose sum is σ = 42027270. Its totient is φ = 42027268.

The previous prime is 42027263. The next prime is 42027283. The reversal of 42027269 is 96272024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 2211169 = 6310^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 42027269 - 2⁴ = 42027253 is a prime.

It is a super-2 number, since 2×42027269² = 3532582679196722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42027263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21013634 + 21013635.

It is an arithmetic number, because the mean of its divisors is an integer number (21013635).

Almost surely, 2^42027269 is an apocalyptic number.

It is an amenable number.

42027269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42027269 is an equidigital number, since it uses as much as digits as its factorization.

42027269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 42027269 is about 6482.8442060565. The cubic root of 42027269 is about 347.6778766029.

The spelling of 42027269 in words is "forty-two million, twenty-seven thousand, two hundred sixty-nine".