7052520709 has 4 divisors (see below), whose sum is σ = 7595022316. Its totient is φ = 6510019104.

The previous prime is 7052520653. The next prime is 7052520731. The reversal of 7052520709 is 9070252507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1015696900 + 6036823809 = 31870^2 + 77697^2 .

It is a cyclic number.

It is not a de Polignac number, because 7052520709 - 2⁹ = 7052520197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7052520799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271250784 + ... + 271250809.

It is an arithmetic number, because the mean of its divisors is an integer number (1898755579).

Almost surely, 2^7052520709 is an apocalyptic number.

It is an amenable number.

7052520709 is a deficient number, since it is larger than the sum of its proper divisors (542501607).

7052520709 is a wasteful number, since it uses less digits than its factorization.

7052520709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542501606.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 7052520709 is about 83979.2873808774. The cubic root of 7052520709 is about 1917.7034815257.

The spelling of 7052520709 in words is "seven billion, fifty-two million, five hundred twenty thousand, seven hundred nine".