42050269 has 2 divisors, whose sum is σ = 42050270. Its totient is φ = 42050268.

The previous prime is 42050237. The next prime is 42050273. The reversal of 42050269 is 96205024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 1562500 = 6363^2 + 1250^2 .

It is a cyclic number.

It is not a de Polignac number, because 42050269 - 2⁵ = 42050237 is a prime.

It is a super-2 number, since 2×42050269² = 3536450245944722, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42050669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21025134 + 21025135.

It is an arithmetic number, because the mean of its divisors is an integer number (21025135).

Almost surely, 2^42050269 is an apocalyptic number.

It is an amenable number.

42050269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42050269 is an equidigital number, since it uses as much as digits as its factorization.

42050269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 42050269 is about 6484.6178761744. The cubic root of 42050269 is about 347.7412888671.

The spelling of 42050269 in words is "forty-two million, fifty thousand, two hundred sixty-nine".