7825055305 has 4 divisors (see below), whose sum is σ = 9390066372. Its totient is φ = 6260044240.

The previous prime is 7825055299. The next prime is 7825055327. The reversal of 7825055305 is 5035505287.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5035505287 = 61 ⋅82549267.

It can be written as a sum of positive squares in 2 ways, for example, as 1652910336 + 6172144969 = 40656^2 + 78563^2 .

It is not a de Polignac number, because 7825055305 - 2⁷ = 7825055177 is a prime.

It is a super-2 number, since 2×7825055305² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782505526 + ... + 782505535.

It is an arithmetic number, because the mean of its divisors is an integer number (2347516593).

Almost surely, 2^7825055305 is an apocalyptic number.

It is an amenable number.

7825055305 is a deficient number, since it is larger than the sum of its proper divisors (1565011067).

7825055305 is a wasteful number, since it uses less digits than its factorization.

7825055305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565011066.

The product of its (nonzero) digits is 210000, while the sum is 40.

The square root of 7825055305 is about 88459.3426665607. The cubic root of 7825055305 is about 1985.3136956196.

The spelling of 7825055305 in words is "seven billion, eight hundred twenty-five million, fifty-five thousand, three hundred five".