7052521 has 12 divisors (see below), whose sum is σ = 8263632. Its totient is φ = 6001128.

The previous prime is 7052519. The next prime is 7052543. The reversal of 7052521 is 1252507.

It is not a de Polignac number, because 7052521 - 2¹ = 7052519 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7052492 and 7052501.

It is not an unprimeable number, because it can be changed into a prime (7052561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7546 + ... + 8428.

It is an arithmetic number, because the mean of its divisors is an integer number (688636).

Almost surely, 2^7052521 is an apocalyptic number.

It is an amenable number.

7052521 is a deficient number, since it is larger than the sum of its proper divisors (1211111).

7052521 is a wasteful number, since it uses less digits than its factorization.

7052521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 7052521 is about 2655.6582988028. The cubic root of 7052521 is about 191.7703507902.

The spelling of 7052521 in words is "seven million, fifty-two thousand, five hundred twenty-one".