30532273 has 8 divisors (see below), whose sum is σ = 31648680. Its totient is φ = 29420160.

The previous prime is 30532267. The next prime is 30532277. The reversal of 30532273 is 37223503.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11242609 + 19289664 = 3353^2 + 4392^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30532273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30532277) 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, 22453 + ... + 23773.

It is an arithmetic number, because the mean of its divisors is an integer number (3956085).

Almost surely, 2^30532273 is an apocalyptic number.

It is an amenable number.

30532273 is a deficient number, since it is larger than the sum of its proper divisors (1116407).

30532273 is a wasteful number, since it uses less digits than its factorization.

30532273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 30532273 is about 5525.6015962065. The cubic root of 30532273 is about 312.5501504580.

Adding to 30532273 its reverse (37223503), we get a palindrome (67755776).

The spelling of 30532273 in words is "thirty million, five hundred thirty-two thousand, two hundred seventy-three".