7879525 has 6 divisors (see below), whose sum is σ = 9770642. Its totient is φ = 6303600.

The previous prime is 7879523. The next prime is 7879537. The reversal of 7879525 is 5259787.

It can be written as a sum of positive squares in 3 ways, for example, as 1046529 + 6832996 = 1023^2 + 2614^2 .

It is not a de Polignac number, because 7879525 - 2¹ = 7879523 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 8⁷ + 7⁸ + 9³ + 5⁵ + 2¹³ + 5⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7879523) 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 5 ways as a sum of consecutive naturals, for example, 157566 + ... + 157615.

Almost surely, 2^7879525 is an apocalyptic number.

It is an amenable number.

7879525 is a deficient number, since it is larger than the sum of its proper divisors (1891117).

7879525 is a wasteful number, since it uses less digits than its factorization.

7879525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315191 (or 315186 counting only the distinct ones).

The product of its digits is 176400, while the sum is 43.

The square root of 7879525 is about 2807.0491623767. The cubic root of 7879525 is about 198.9909594135.

The spelling of 7879525 in words is "seven million, eight hundred seventy-nine thousand, five hundred twenty-five".