42048506 has 4 divisors (see below), whose sum is σ = 63072762. Its totient is φ = 21024252.

The previous prime is 42048499. The next prime is 42048509. The reversal of 42048506 is 60584024.

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., 31866025 + 10182481 = 5645^2 + 3191^2 .

It is not an unprimeable number, because it can be changed into a prime (42048509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10512125 + ... + 10512128.

Almost surely, 2^42048506 is an apocalyptic number.

42048506 is a deficient number, since it is larger than the sum of its proper divisors (21024256).

42048506 is a wasteful number, since it uses less digits than its factorization.

42048506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21024255.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 42048506 is about 6484.4819376724. The cubic root of 42048506 is about 347.7364289976.

The spelling of 42048506 in words is "forty-two million, forty-eight thousand, five hundred six".