7925538 has 8 divisors (see below), whose sum is σ = 15851088. Its totient is φ = 2641844.

The previous prime is 7925531. The next prime is 7925543. The reversal of 7925538 is 8355297.

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

7925538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7925496 and 7925505.

It is not an unprimeable number, because it can be changed into a prime (7925531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660456 + ... + 660467.

It is an arithmetic number, because the mean of its divisors is an integer number (1981386).

Almost surely, 2^7925538 is an apocalyptic number.

7925538 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.

7925538 is a wasteful number, since it uses less digits than its factorization.

7925538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320928.

The product of its digits is 75600, while the sum is 39.

The square root of 7925538 is about 2815.2332052603. The cubic root of 7925538 is about 199.3775481113.

The spelling of 7925538 in words is "seven million, nine hundred twenty-five thousand, five hundred thirty-eight".