7020825725 has 6 divisors (see below), whose sum is σ = 8705823930. Its totient is φ = 5616660560.

The previous prime is 7020825661. The next prime is 7020825797. The reversal of 7020825725 is 5275280207.

It can be written as a sum of positive squares in 3 ways, for example, as 79103236 + 6941722489 = 8894^2 + 83317^2 .

It is not a de Polignac number, because 7020825725 - 2⁶ = 7020825661 is a prime.

It is a Curzon number.

It is a congruent 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, 140416490 + ... + 140416539.

It is an arithmetic number, because the mean of its divisors is an integer number (1450970655).

Almost surely, 2^7020825725 is an apocalyptic number.

It is an amenable number.

7020825725 is a deficient number, since it is larger than the sum of its proper divisors (1684998205).

7020825725 is a wasteful number, since it uses less digits than its factorization.

7020825725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280833039 (or 280833034 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 7020825725 is about 83790.3677340063. The cubic root of 7020825725 is about 1914.8263606942.

The spelling of 7020825725 in words is "seven billion, twenty million, eight hundred twenty-five thousand, seven hundred twenty-five".