30776825 has 6 divisors (see below), whose sum is σ = 38163294. Its totient is φ = 24621440.

The previous prime is 30776813. The next prime is 30776833. The reversal of 30776825 is 52867703.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 976144 + 29800681 = 988^2 + 5459^2 .

It is not a de Polignac number, because 30776825 - 2⁶ = 30776761 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 615512 + ... + 615561.

It is an arithmetic number, because the mean of its divisors is an integer number (6360549).

Almost surely, 2^30776825 is an apocalyptic number.

It is an amenable number.

30776825 is a deficient number, since it is larger than the sum of its proper divisors (7386469).

30776825 is a wasteful number, since it uses less digits than its factorization.

30776825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231083 (or 1231078 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 30776825 is about 5547.6864547305. The cubic root of 30776825 is about 313.3824020281.

The spelling of 30776825 in words is "thirty million, seven hundred seventy-six thousand, eight hundred twenty-five".