425685061 has 2 divisors, whose sum is σ = 425685062. Its totient is φ = 425685060.

The previous prime is 425685053. The next prime is 425685097. The reversal of 425685061 is 160586524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417384900 + 8300161 = 20430^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 425685061 - 2³ = 425685053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425685061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425685361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212842530 + 212842531.

It is an arithmetic number, because the mean of its divisors is an integer number (212842531).

Almost surely, 2^425685061 is an apocalyptic number.

It is an amenable number.

425685061 is a deficient number, since it is larger than the sum of its proper divisors (1).

425685061 is an equidigital number, since it uses as much as digits as its factorization.

425685061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 425685061 is about 20632.1366077292. The cubic root of 425685061 is about 752.2510508598.

The spelling of 425685061 in words is "four hundred twenty-five million, six hundred eighty-five thousand, sixty-one".