425841673 has 2 divisors, whose sum is σ = 425841674. Its totient is φ = 425841672.

The previous prime is 425841659. The next prime is 425841683. The reversal of 425841673 is 376148524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278656249 + 147185424 = 16693^2 + 12132^2 .

It is a cyclic number.

It is not a de Polignac number, because 425841673 - 2⁵ = 425841641 is a prime.

It is a super-2 number, since 2×425841673² = 362682260926877858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425841613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212920836 + 212920837.

It is an arithmetic number, because the mean of its divisors is an integer number (212920837).

Almost surely, 2^425841673 is an apocalyptic number.

It is an amenable number.

425841673 is a deficient number, since it is larger than the sum of its proper divisors (1).

425841673 is an equidigital number, since it uses as much as digits as its factorization.

425841673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 425841673 is about 20635.9316000029. The cubic root of 425841673 is about 752.3432920552.

The spelling of 425841673 in words is "four hundred twenty-five million, eight hundred forty-one thousand, six hundred seventy-three".