7828325 has 6 divisors (see below), whose sum is σ = 9707154. Its totient is φ = 6262640.

The previous prime is 7828319. The next prime is 7828343. The reversal of 7828325 is 5238287.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1366561 + 6461764 = 1169^2 + 2542^2 .

It is not a de Polignac number, because 7828325 - 2¹⁰ = 7827301 is a prime.

It is a super-2 number, since 2×7828325² = 122565344611250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156542 + ... + 156591.

It is an arithmetic number, because the mean of its divisors is an integer number (1617859).

Almost surely, 2^7828325 is an apocalyptic number.

It is an amenable number.

7828325 is a deficient number, since it is larger than the sum of its proper divisors (1878829).

7828325 is a wasteful number, since it uses less digits than its factorization.

7828325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313143 (or 313138 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 7828325 is about 2797.9144018358. The cubic root of 7828325 is about 198.5590177854.

The spelling of 7828325 in words is "seven million, eight hundred twenty-eight thousand, three hundred twenty-five".