7006520425 has 6 divisors (see below), whose sum is σ = 8688085358. Its totient is φ = 5605216320.

The previous prime is 7006520419. The next prime is 7006520473. The reversal of 7006520425 is 5240256007.

It can be written as a sum of positive squares in 3 ways, for example, as 1969495641 + 5037024784 = 44379^2 + 70972^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7006520425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140130384 + ... + 140130433.

Almost surely, 2^7006520425 is an apocalyptic number.

It is an amenable number.

7006520425 is a deficient number, since it is larger than the sum of its proper divisors (1681564933).

7006520425 is a wasteful number, since it uses less digits than its factorization.

7006520425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280260827 (or 280260822 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 7006520425 is about 83704.9605758225. The cubic root of 7006520425 is about 1913.5249567462.

The spelling of 7006520425 in words is "seven billion, six million, five hundred twenty thousand, four hundred twenty-five".