425538839 has 8 divisors (see below), whose sum is σ = 488657280. Its totient is φ = 366492600.

The previous prime is 425538833. The next prime is 425538853. The reversal of 425538839 is 938835524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425538839 - 2⁴ = 425538823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425538793 and 425538802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425538833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017827 + ... + 1018244.

It is an arithmetic number, because the mean of its divisors is an integer number (61082160).

Almost surely, 2^425538839 is an apocalyptic number.

425538839 is a deficient number, since it is larger than the sum of its proper divisors (63118441).

425538839 is a wasteful number, since it uses less digits than its factorization.

425538839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036101.

The product of its digits is 1036800, while the sum is 47.

The square root of 425538839 is about 20628.5927537484. The cubic root of 425538839 is about 752.1649087326.

The spelling of 425538839 in words is "four hundred twenty-five million, five hundred thirty-eight thousand, eight hundred thirty-nine".