7838525 has 12 divisors (see below), whose sum is σ = 9767604. Its totient is φ = 6240000.

The previous prime is 7838491. The next prime is 7838527. The reversal of 7838525 is 5258387.

It can be written as a sum of positive squares in 6 ways, for example, as 1094116 + 6744409 = 1046^2 + 2597^2 .

It is not a de Polignac number, because 7838525 - 2⁶ = 7838461 is a prime.

It is a super-2 number, since 2×7838525² = 122884948351250, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7838527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5375 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (813967).

Almost surely, 2^7838525 is an apocalyptic number.

It is an amenable number.

7838525 is a deficient number, since it is larger than the sum of its proper divisors (1929079).

7838525 is a wasteful number, since it uses less digits than its factorization.

7838525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1547 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 7838525 is about 2799.7365947532. The cubic root of 7838525 is about 198.6452185580.

The spelling of 7838525 in words is "seven million, eight hundred thirty-eight thousand, five hundred twenty-five".