425384815 has 8 divisors (see below), whose sum is σ = 510644160. Its totient is φ = 340186272.

The previous prime is 425384807. The next prime is 425384851. The reversal of 425384815 is 518483524.

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 425384815 - 2³ = 425384807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957 + ... + 29233.

It is an arithmetic number, because the mean of its divisors is an integer number (63830520).

Almost surely, 2^425384815 is an apocalyptic number.

425384815 is a deficient number, since it is larger than the sum of its proper divisors (85259345).

425384815 is a wasteful number, since it uses less digits than its factorization.

425384815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30401.

The product of its digits is 153600, while the sum is 40.

The square root of 425384815 is about 20624.8591510342. The cubic root of 425384815 is about 752.0741489574.

The spelling of 425384815 in words is "four hundred twenty-five million, three hundred eighty-four thousand, eight hundred fifteen".