425085823 has 2 divisors, whose sum is σ = 425085824. Its totient is φ = 425085822.

The previous prime is 425085809. The next prime is 425085847. The reversal of 425085823 is 328580524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425085823 - 2²⁵ = 391531391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425085883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212542911 + 212542912.

It is an arithmetic number, because the mean of its divisors is an integer number (212542912).

Almost surely, 2^425085823 is an apocalyptic number.

425085823 is a deficient number, since it is larger than the sum of its proper divisors (1).

425085823 is an equidigital number, since it uses as much as digits as its factorization.

425085823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 425085823 is about 20617.6095365103. The cubic root of 425085823 is about 751.8979031596.

The spelling of 425085823 in words is "four hundred twenty-five million, eighty-five thousand, eight hundred twenty-three".