42534019 has 8 divisors (see below), whose sum is σ = 47162160. Its totient is φ = 38032800.

The previous prime is 42534001. The next prime is 42534031. The reversal of 42534019 is 91043524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42534019 - 2¹¹ = 42531971 is a prime.

It is a super-2 number, since 2×42534019² = 3618285544584722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42534049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31024 + ... + 32365.

It is an arithmetic number, because the mean of its divisors is an integer number (5895270).

Almost surely, 2^42534019 is an apocalyptic number.

42534019 is a deficient number, since it is larger than the sum of its proper divisors (4628141).

42534019 is a wasteful number, since it uses less digits than its factorization.

42534019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63461.

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

The square root of 42534019 is about 6521.8110214878. The cubic root of 42534019 is about 349.0696899443.

It can be divided in two parts, 42 and 534019, that added together give a triangular number (534061 = T₁₀₃₃).

The spelling of 42534019 in words is "forty-two million, five hundred thirty-four thousand, nineteen".