6870425 has 6 divisors (see below), whose sum is σ = 8519358. Its totient is φ = 5496320.

The previous prime is 6870421. The next prime is 6870433. The reversal of 6870425 is 5240786.

It can be written as a sum of positive squares in 3 ways, for example, as 784 + 6869641 = 28^2 + 2621^2 .

It is not a de Polignac number, because 6870425 - 2² = 6870421 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6870391 and 6870400.

It is not an unprimeable number, because it can be changed into a prime (6870421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137384 + ... + 137433.

It is an arithmetic number, because the mean of its divisors is an integer number (1419893).

Almost surely, 2^6870425 is an apocalyptic number.

It is an amenable number.

6870425 is a deficient number, since it is larger than the sum of its proper divisors (1648933).

6870425 is a wasteful number, since it uses less digits than its factorization.

6870425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274827 (or 274822 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 6870425 is about 2621.1495569692. The cubic root of 6870425 is about 190.1054354787.

The spelling of 6870425 in words is "six million, eight hundred seventy thousand, four hundred twenty-five".