42263571 has 16 divisors (see below), whose sum is σ = 66480128. Its totient is φ = 23371200.

The previous prime is 42263567. The next prime is 42263587. The reversal of 42263571 is 17536224.

It is not a de Polignac number, because 42263571 - 2² = 42263567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42263561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31810 + ... + 33111.

It is an arithmetic number, because the mean of its divisors is an integer number (4155008).

Almost surely, 2^42263571 is an apocalyptic number.

42263571 is a deficient number, since it is larger than the sum of its proper divisors (24216557).

42263571 is a wasteful number, since it uses less digits than its factorization.

42263571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64962.

The product of its digits is 10080, while the sum is 30.

The square root of 42263571 is about 6501.0438392615. The cubic root of 42263571 is about 348.3282755816.

Adding to 42263571 its reverse (17536224), we get a palindrome (59799795).

The spelling of 42263571 in words is "forty-two million, two hundred sixty-three thousand, five hundred seventy-one".