30280053 has 8 divisors (see below), whose sum is σ = 42498400. Its totient is φ = 19124208.

The previous prime is 30280051. The next prime is 30280057. The reversal of 30280053 is 35008203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30280053 - 2¹ = 30280051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30280051) 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 7 ways as a sum of consecutive naturals, for example, 265558 + ... + 265671.

It is an arithmetic number, because the mean of its divisors is an integer number (5312300).

Almost surely, 2^30280053 is an apocalyptic number.

It is an amenable number.

30280053 is a deficient number, since it is larger than the sum of its proper divisors (12218347).

30280053 is a wasteful number, since it uses less digits than its factorization.

30280053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531251.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30280053 is about 5502.7314126713. The cubic root of 30280053 is about 311.6871350083.

Adding to 30280053 its reverse (35008203), we get a palindrome (65288256).

The spelling of 30280053 in words is "thirty million, two hundred eighty thousand, fifty-three".