42511082 has 4 divisors (see below), whose sum is σ = 63766626. Its totient is φ = 21255540.

The previous prime is 42511081. The next prime is 42511097. The reversal of 42511082 is 28011524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31348801 + 11162281 = 5599^2 + 3341^2 .

It is not an unprimeable number, because it can be changed into a prime (42511081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10627769 + ... + 10627772.

Almost surely, 2^42511082 is an apocalyptic number.

42511082 is a deficient number, since it is larger than the sum of its proper divisors (21255544).

42511082 is a wasteful number, since it uses less digits than its factorization.

42511082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21255543.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 42511082 is about 6520.0523004037. The cubic root of 42511082 is about 349.0069319346.

The spelling of 42511082 in words is "forty-two million, five hundred eleven thousand, eighty-two".