42003469 has 2 divisors, whose sum is σ = 42003470. Its totient is φ = 42003468.

The previous prime is 42003463. The next prime is 42003487. The reversal of 42003469 is 96430024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 5546025 = 6038^2 + 2355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42003469 is a prime.

It is a super-2 number, since 2×42003469² = 3528582816067922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42003463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001734 + 21001735.

It is an arithmetic number, because the mean of its divisors is an integer number (21001735).

Almost surely, 2^42003469 is an apocalyptic number.

It is an amenable number.

42003469 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003469 is an equidigital number, since it uses as much as digits as its factorization.

42003469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 42003469 is about 6481.0083320422. The cubic root of 42003469 is about 347.6122343335.

The spelling of 42003469 in words is "forty-two million, three thousand, four hundred sixty-nine".