425412173 has 2 divisors, whose sum is σ = 425412174. Its totient is φ = 425412172.

The previous prime is 425412167. The next prime is 425412193. The reversal of 425412173 is 371214524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425101924 + 310249 = 20618^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 425412173 - 2⁴ = 425412157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425412103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212706086 + 212706087.

It is an arithmetic number, because the mean of its divisors is an integer number (212706087).

Almost surely, 2^425412173 is an apocalyptic number.

It is an amenable number.

425412173 is a deficient number, since it is larger than the sum of its proper divisors (1).

425412173 is an equidigital number, since it uses as much as digits as its factorization.

425412173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 425412173 is about 20625.5223691426. The cubic root of 425412173 is about 752.0902714601.

Adding to 425412173 its reverse (371214524), we get a palindrome (796626697).

The spelling of 425412173 in words is "four hundred twenty-five million, four hundred twelve thousand, one hundred seventy-three".