425188839 has 8 divisors (see below), whose sum is σ = 585206272. Its totient is φ = 274315320.

The previous prime is 425188817. The next prime is 425188861. The reversal of 425188839 is 938881524.

It is an interprime number because it is at equal distance from previous prime (425188817) and next prime (425188861).

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

It is not a de Polignac number, because 425188839 - 2⁷ = 425188711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425188639) 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, 2285869 + ... + 2286054.

It is an arithmetic number, because the mean of its divisors is an integer number (73150784).

Almost surely, 2^425188839 is an apocalyptic number.

425188839 is a deficient number, since it is larger than the sum of its proper divisors (160017433).

425188839 is a wasteful number, since it uses less digits than its factorization.

425188839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571957.

The product of its digits is 552960, while the sum is 48.

The square root of 425188839 is about 20620.1076379344. The cubic root of 425188839 is about 751.9586369800.

The spelling of 425188839 in words is "four hundred twenty-five million, one hundred eighty-eight thousand, eight hundred thirty-nine".