8125434 has 28 divisors (see below), whose sum is σ = 18277146. Its totient is φ = 2707992.

The previous prime is 8125427. The next prime is 8125457. The reversal of 8125434 is 4345218.

It can be written as a sum of positive squares in only one way, i.e., 8037225 + 88209 = 2835^2 + 297^2 .

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

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8125398 and 8125407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1329 + ... + 4244.

Almost surely, 2^8125434 is an apocalyptic number.

8125434 is an abundant number, since it is smaller than the sum of its proper divisors (10151712).

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

8125434 is an equidigital number, since it uses as much as digits as its factorization.

8125434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593 (or 5578 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 8125434 is about 2850.5146903673. The cubic root of 8125434 is about 201.0398673426.

The spelling of 8125434 in words is "eight million, one hundred twenty-five thousand, four hundred thirty-four".