30648853 has 16 divisors (see below), whose sum is σ = 32886000. Its totient is φ = 28510720.

The previous prime is 30648847. The next prime is 30648883. The reversal of 30648853 is 35884603.

It can be written as a sum of positive squares in 8 ways, for example, as 1844164 + 28804689 = 1358^2 + 5367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30648853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30648803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177075 + ... + 177247.

It is an arithmetic number, because the mean of its divisors is an integer number (2055375).

Almost surely, 2^30648853 is an apocalyptic number.

It is an amenable number.

30648853 is a deficient number, since it is larger than the sum of its proper divisors (2237147).

30648853 is a wasteful number, since it uses less digits than its factorization.

30648853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 30648853 is about 5536.1406232140. The cubic root of 30648853 is about 312.9474439414.

The spelling of 30648853 in words is "thirty million, six hundred forty-eight thousand, eight hundred fifty-three".