7051525 has 18 divisors (see below), whose sum is σ = 9473910. Its totient is φ = 5204160.

The previous prime is 7051523. The next prime is 7051567. The reversal of 7051525 is 5251507.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 4384836 + 2666689 = 2094^2 + 1633^2 .

It is not a de Polignac number, because 7051525 - 2¹ = 7051523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 7051525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7051523) 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 17 ways as a sum of consecutive naturals, for example, 3391 + ... + 5059.

Almost surely, 2^7051525 is an apocalyptic number.

It is an amenable number.

7051525 is a deficient number, since it is larger than the sum of its proper divisors (2422385).

7051525 is a wasteful number, since it uses less digits than its factorization.

7051525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 7051525 is about 2655.4707680560. The cubic root of 7051525 is about 191.7613227059.

The spelling of 7051525 in words is "seven million, fifty-one thousand, five hundred twenty-five".