42725061 has 6 divisors (see below), whose sum is σ = 61713990. Its totient is φ = 28483368.

The previous prime is 42725051. The next prime is 42725077. The reversal of 42725061 is 16052724.

It can be written as a sum of positive squares in only one way, i.e., 40564161 + 2160900 = 6369^2 + 1470^2 .

It is not a de Polignac number, because 42725061 - 2⁷ = 42724933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42725051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2373606 + ... + 2373623.

It is an arithmetic number, because the mean of its divisors is an integer number (10285665).

Almost surely, 2^42725061 is an apocalyptic number.

It is an amenable number.

42725061 is a deficient number, since it is larger than the sum of its proper divisors (18988929).

42725061 is a wasteful number, since it uses less digits than its factorization.

42725061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747235 (or 4747232 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42725061 is about 6536.4410040939. The cubic root of 42725061 is about 349.5915261898.

Adding to 42725061 its reverse (16052724), we get a palindrome (58777785).

The spelling of 42725061 in words is "forty-two million, seven hundred twenty-five thousand, sixty-one".