425461217 has 2 divisors, whose sum is σ = 425461218. Its totient is φ = 425461216.

The previous prime is 425461177. The next prime is 425461229. The reversal of 425461217 is 712164524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305865121 + 119596096 = 17489^2 + 10936^2 .

It is a cyclic number.

It is not a de Polignac number, because 425461217 - 2⁸ = 425460961 is a prime.

It is a super-2 number, since 2×425461217² = 362034494342242178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425461247) 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, 212730608 + 212730609.

It is an arithmetic number, because the mean of its divisors is an integer number (212730609).

Almost surely, 2^425461217 is an apocalyptic number.

It is an amenable number.

425461217 is a deficient number, since it is larger than the sum of its proper divisors (1).

425461217 is an equidigital number, since it uses as much as digits as its factorization.

425461217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 425461217 is about 20626.7112502212. The cubic root of 425461217 is about 752.1191721359.

The spelling of 425461217 in words is "four hundred twenty-five million, four hundred sixty-one thousand, two hundred seventeen".