42534469 has 4 divisors (see below), whose sum is σ = 43072960. Its totient is φ = 41995980.

The previous prime is 42534463. The next prime is 42534491. The reversal of 42534469 is 96443524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42534469 - 2⁷ = 42534341 is a prime.

It is a super-2 number, since 2×42534469² = 3618362106223922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269127 + ... + 269284.

It is an arithmetic number, because the mean of its divisors is an integer number (10768240).

Almost surely, 2^42534469 is an apocalyptic number.

It is an amenable number.

42534469 is a deficient number, since it is larger than the sum of its proper divisors (538491).

42534469 is an equidigital number, since it uses as much as digits as its factorization.

42534469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538490.

The product of its digits is 103680, while the sum is 37.

The square root of 42534469 is about 6521.8455210163. The cubic root of 42534469 is about 349.0709209652.

The spelling of 42534469 in words is "forty-two million, five hundred thirty-four thousand, four hundred sixty-nine".