425708873 has 2 divisors, whose sum is σ = 425708874. Its totient is φ = 425708872.

The previous prime is 425708807. The next prime is 425708897. The reversal of 425708873 is 378807524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261048649 + 164660224 = 16157^2 + 12832^2 .

It is a cyclic number.

It is not a de Polignac number, because 425708873 - 2¹² = 425704777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (425708573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212854436 + 212854437.

It is an arithmetic number, because the mean of its divisors is an integer number (212854437).

Almost surely, 2^425708873 is an apocalyptic number.

It is an amenable number.

425708873 is a deficient number, since it is larger than the sum of its proper divisors (1).

425708873 is an equidigital number, since it uses as much as digits as its factorization.

425708873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 425708873 is about 20632.7136605925. The cubic root of 425708873 is about 752.2650770885.

The spelling of 425708873 in words is "four hundred twenty-five million, seven hundred eight thousand, eight hundred seventy-three".