7870525 has 24 divisors (see below), whose sum is σ = 10709384. Its totient is φ = 5702400.

The previous prime is 7870523. The next prime is 7870547. The reversal of 7870525 is 5250787.

It can be written as a sum of positive squares in 12 ways, for example, as 5171076 + 2699449 = 2274^2 + 1643^2 .

It is not a de Polignac number, because 7870525 - 2¹ = 7870523 is a prime.

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 (7870523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19627 + ... + 20023.

Almost surely, 2^7870525 is an apocalyptic number.

It is an amenable number.

7870525 is a deficient number, since it is larger than the sum of its proper divisors (2838859).

7870525 is a wasteful number, since it uses less digits than its factorization.

7870525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 7870525 is about 2805.4455974052. The cubic root of 7870525 is about 198.9151680035.

The spelling of 7870525 in words is "seven million, eight hundred seventy thousand, five hundred twenty-five".