42525611 has 4 divisors (see below), whose sum is σ = 42556800. Its totient is φ = 42494424.

The previous prime is 42525589. The next prime is 42525641. The reversal of 42525611 is 11652524.

42525611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42525611 - 2⁶ = 42525547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42525641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13451 + ... + 16308.

It is an arithmetic number, because the mean of its divisors is an integer number (10639200).

Almost surely, 2^42525611 is an apocalyptic number.

42525611 is a deficient number, since it is larger than the sum of its proper divisors (31189).

42525611 is a wasteful number, since it uses less digits than its factorization.

42525611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31188.

The product of its digits is 2400, while the sum is 26.

The square root of 42525611 is about 6521.1663834011. The cubic root of 42525611 is about 349.0466874047.

The spelling of 42525611 in words is "forty-two million, five hundred twenty-five thousand, six hundred eleven".