6425136 has 80 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 2106432.

The previous prime is 6425117. The next prime is 6425143. The reversal of 6425136 is 6315246.

6425136 is a `hidden beast` number, since 642 + 5 + 13 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46155 + ... + 46293.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

Almost surely, 2^6425136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6425136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9374400).

6425136 is an abundant number, since it is smaller than the sum of its proper divisors (12323664).

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

6425136 is a wasteful number, since it uses less digits than its factorization.

6425136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 251 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 6425136 is about 2534.7851980000. The cubic root of 6425136 is about 185.9063003603.

It can be divided in two parts, 6425 and 136, that added together give a 8-th power (6561 = 3⁸).

The spelling of 6425136 in words is "six million, four hundred twenty-five thousand, one hundred thirty-six".