30053973 has 16 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 19320000.

The previous prime is 30053963. The next prime is 30053981. The reversal of 30053973 is 37935003.

It is not a de Polignac number, because 30053973 - 2⁸ = 30053717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30053973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30053923) 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, 42523 + ... + 43223.

It is an arithmetic number, because the mean of its divisors is an integer number (2594592).

Almost surely, 2^30053973 is an apocalyptic number.

It is an amenable number.

30053973 is a deficient number, since it is larger than the sum of its proper divisors (11459499).

30053973 is a wasteful number, since it uses less digits than its factorization.

30053973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 8505, while the sum is 30.

The square root of 30053973 is about 5482.1503992503. The cubic root of 30053973 is about 310.9094796918.

Adding to 30053973 its reverse (37935003), we get a palindrome (67988976).

The spelling of 30053973 in words is "thirty million, fifty-three thousand, nine hundred seventy-three".