425392873 has 2 divisors, whose sum is σ = 425392874. Its totient is φ = 425392872.

The previous prime is 425392871. The next prime is 425392931. The reversal of 425392873 is 378293524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421563024 + 3829849 = 20532^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 425392873 - 2¹ = 425392871 is a prime.

Together with 425392871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (425392871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212696436 + 212696437.

It is an arithmetic number, because the mean of its divisors is an integer number (212696437).

Almost surely, 2^425392873 is an apocalyptic number.

It is an amenable number.

425392873 is a deficient number, since it is larger than the sum of its proper divisors (1).

425392873 is an equidigital number, since it uses as much as digits as its factorization.

425392873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 425392873 is about 20625.0544968977. The cubic root of 425392873 is about 752.0788977362.

The spelling of 425392873 in words is "four hundred twenty-five million, three hundred ninety-two thousand, eight hundred seventy-three".