42125597 has 2 divisors, whose sum is σ = 42125598. Its totient is φ = 42125596.

The previous prime is 42125593. The next prime is 42125639. The reversal of 42125597 is 79552124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36312676 + 5812921 = 6026^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 42125597 - 2² = 42125593 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42125593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21062798 + 21062799.

It is an arithmetic number, because the mean of its divisors is an integer number (21062799).

Almost surely, 2^42125597 is an apocalyptic number.

It is an amenable number.

42125597 is a deficient number, since it is larger than the sum of its proper divisors (1).

42125597 is an equidigital number, since it uses as much as digits as its factorization.

42125597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 42125597 is about 6490.4234838722. The cubic root of 42125597 is about 347.9488105663.

The spelling of 42125597 in words is "forty-two million, one hundred twenty-five thousand, five hundred ninety-seven".