425215838 has 8 divisors (see below), whose sum is σ = 653380560. Its totient is φ = 207422320.

The previous prime is 425215831. The next prime is 425215853. The reversal of 425215838 is 838512524.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425215831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592698 + ... + 2592861.

It is an arithmetic number, because the mean of its divisors is an integer number (81672570).

Almost surely, 2^425215838 is an apocalyptic number.

425215838 is a deficient number, since it is larger than the sum of its proper divisors (228164722).

425215838 is a wasteful number, since it uses less digits than its factorization.

425215838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185602.

The product of its digits is 76800, while the sum is 38.

The square root of 425215838 is about 20620.7623040469. The cubic root of 425215838 is about 751.9745528114.

The spelling of 425215838 in words is "four hundred twenty-five million, two hundred fifteen thousand, eight hundred thirty-eight".