8070525 has 18 divisors (see below), whose sum is σ = 14455610. Its totient is φ = 4304160.

The previous prime is 8070523. The next prime is 8070527. The reversal of 8070525 is 5250708.

8070525 = 377² + 378² + ... + 426².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8070523) and next prime (8070527).

It can be written as a sum of positive squares in 3 ways, for example, as 1750329 + 6320196 = 1323^2 + 2514^2 .

It is not a de Polignac number, because 8070525 - 2¹ = 8070523 is a prime.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8070521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17710 + ... + 18159.

Almost surely, 2^8070525 is an apocalyptic number.

It is an amenable number.

8070525 is a deficient number, since it is larger than the sum of its proper divisors (6385085).

8070525 is a wasteful number, since it uses less digits than its factorization.

8070525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35885 (or 35877 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 8070525 is about 2840.8669451419. The cubic root of 8070525 is about 200.5859897366.

The spelling of 8070525 in words is "eight million, seventy thousand, five hundred twenty-five".