42025546 has 4 divisors (see below), whose sum is σ = 63038322. Its totient is φ = 21012772.

The previous prime is 42025519. The next prime is 42025561. The reversal of 42025546 is 64552024.

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., 28783225 + 13242321 = 5365^2 + 3639^2 .

It is a super-2 number, since 2×42025546² = 3532293033196232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10506385 + ... + 10506388.

Almost surely, 2^42025546 is an apocalyptic number.

42025546 is a deficient number, since it is larger than the sum of its proper divisors (21012776).

42025546 is a wasteful number, since it uses less digits than its factorization.

42025546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21012775.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 42025546 is about 6482.7113154914. The cubic root of 42025546 is about 347.6731252658.

The spelling of 42025546 in words is "forty-two million, twenty-five thousand, five hundred forty-six".