425936843 has 2 divisors, whose sum is σ = 425936844. Its totient is φ = 425936842.

The previous prime is 425936809. The next prime is 425936867. The reversal of 425936843 is 348639524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425936843 - 2²⁶ = 358827979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425936794 and 425936803.

It is not a weakly prime, because it can be changed into another prime (425936803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212968421 + 212968422.

It is an arithmetic number, because the mean of its divisors is an integer number (212968422).

Almost surely, 2^425936843 is an apocalyptic number.

425936843 is a deficient number, since it is larger than the sum of its proper divisors (1).

425936843 is an equidigital number, since it uses as much as digits as its factorization.

425936843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The square root of 425936843 is about 20638.2374005146. The cubic root of 425936843 is about 752.3993341497.

The spelling of 425936843 in words is "four hundred twenty-five million, nine hundred thirty-six thousand, eight hundred forty-three".