42025079 has 2 divisors, whose sum is σ = 42025080. Its totient is φ = 42025078.

The previous prime is 42025069. The next prime is 42025111. The reversal of 42025079 is 97052024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42025079 - 2¹² = 42020983 is a prime.

It is a super-2 number, since 2×42025079² = 3532214529912482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42025069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21012539 + 21012540.

It is an arithmetic number, because the mean of its divisors is an integer number (21012540).

Almost surely, 2^42025079 is an apocalyptic number.

42025079 is a deficient number, since it is larger than the sum of its proper divisors (1).

42025079 is an equidigital number, since it uses as much as digits as its factorization.

42025079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 42025079 is about 6482.6752965115. The cubic root of 42025079 is about 347.6718374463.

The spelling of 42025079 in words is "forty-two million, twenty-five thousand, seventy-nine".