425425177 has 2 divisors, whose sum is σ = 425425178. Its totient is φ = 425425176.

The previous prime is 425425151. The next prime is 425425199. The reversal of 425425177 is 771524524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398840841 + 26584336 = 19971^2 + 5156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425425177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425423177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212712588 + 212712589.

It is an arithmetic number, because the mean of its divisors is an integer number (212712589).

Almost surely, 2^425425177 is an apocalyptic number.

It is an amenable number.

425425177 is a deficient number, since it is larger than the sum of its proper divisors (1).

425425177 is an equidigital number, since it uses as much as digits as its factorization.

425425177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78400, while the sum is 37.

The square root of 425425177 is about 20625.8376072343. The cubic root of 425425177 is about 752.0979346809.

The spelling of 425425177 in words is "four hundred twenty-five million, four hundred twenty-five thousand, one hundred seventy-seven".