42625207 has 2 divisors, whose sum is σ = 42625208. Its totient is φ = 42625206.

The previous prime is 42625181. The next prime is 42625223. The reversal of 42625207 is 70252624.

42625207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42625207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42625267) 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 as a sum of consecutive naturals, namely, 21312603 + 21312604.

It is an arithmetic number, because the mean of its divisors is an integer number (21312604).

Almost surely, 2^42625207 is an apocalyptic number.

42625207 is a deficient number, since it is larger than the sum of its proper divisors (1).

42625207 is an equidigital number, since it uses as much as digits as its factorization.

42625207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 42625207 is about 6528.7982814604. The cubic root of 42625207 is about 349.3189668556.

The spelling of 42625207 in words is "forty-two million, six hundred twenty-five thousand, two hundred seven".