6143425 has 12 divisors (see below), whose sum is σ = 7864576. Its totient is φ = 4755600.

The previous prime is 6143413. The next prime is 6143437. The reversal of 6143425 is 5243416.

6143425 = T₆₁₄ + T₆₁₅ + ... + T₆₄₄.

It is an interprime number because it is at equal distance from previous prime (6143413) and next prime (6143437).

It is not a de Polignac number, because 6143425 - 2⁵ = 6143393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁸ + 1 + 4⁹ + 3⁷ + 4¹¹ + 2¹¹ + 5⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 6143425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3189 + ... + 4738.

Almost surely, 2^6143425 is an apocalyptic number.

It is an amenable number.

6143425 is a deficient number, since it is larger than the sum of its proper divisors (1721151).

6143425 is a wasteful number, since it uses less digits than its factorization.

6143425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968 (or 7963 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 6143425 is about 2478.5933510764. The cubic root of 6143425 is about 183.1485649958.

Subtracting from 6143425 its reverse (5243416), we obtain a palindrome (900009).

The spelling of 6143425 in words is "six million, one hundred forty-three thousand, four hundred twenty-five".