425853239 has 8 divisors (see below), whose sum is σ = 499843488. Its totient is φ = 355151520.

The previous prime is 425853223. The next prime is 425853283. The reversal of 425853239 is 932358524.

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 425853239 - 2⁴ = 425853223 is a prime.

It is a super-2 number, since 2×425853239² = 362701962333582242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425853196 and 425853205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425853739) 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, 821852 + ... + 822369.

It is an arithmetic number, because the mean of its divisors is an integer number (62480436).

Almost surely, 2^425853239 is an apocalyptic number.

425853239 is a deficient number, since it is larger than the sum of its proper divisors (73990249).

425853239 is a wasteful number, since it uses less digits than its factorization.

425853239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644265.

The product of its digits is 259200, while the sum is 41.

The square root of 425853239 is about 20636.2118374473. The cubic root of 425853239 is about 752.3501032907.

The spelling of 425853239 in words is "four hundred twenty-five million, eight hundred fifty-three thousand, two hundred thirty-nine".