8257425342 has 8 divisors (see below), whose sum is σ = 16514850696. Its totient is φ = 2752475112.

The previous prime is 8257425271. The next prime is 8257425349. The reversal of 8257425342 is 2435247528.

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

8257425342 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8257425294 and 8257425303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8257425349) 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, 688118773 + ... + 688118784.

It is an arithmetic number, because the mean of its divisors is an integer number (2064356337).

Almost surely, 2^8257425342 is an apocalyptic number.

8257425342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8257425342 is a wasteful number, since it uses less digits than its factorization.

8257425342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376237562.

The product of its digits is 537600, while the sum is 42.

The square root of 8257425342 is about 90870.3765921546. The cubic root of 8257425342 is about 2021.2260424538.

The spelling of 8257425342 in words is "eight billion, two hundred fifty-seven million, four hundred twenty-five thousand, three hundred forty-two".