30532141 has 4 divisors (see below), whose sum is σ = 31357372. Its totient is φ = 29706912.

The previous prime is 30532127. The next prime is 30532171. The reversal of 30532141 is 14123503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29387241 + 1144900 = 5421^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 30532141 - 2¹³ = 30523949 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 (30532121) 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 3 ways as a sum of consecutive naturals, for example, 412560 + ... + 412633.

It is an arithmetic number, because the mean of its divisors is an integer number (7839343).

Almost surely, 2^30532141 is an apocalyptic number.

It is an amenable number.

30532141 is a deficient number, since it is larger than the sum of its proper divisors (825231).

30532141 is an equidigital number, since it uses as much as digits as its factorization.

30532141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825230.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30532141 is about 5525.5896517928. The cubic root of 30532141 is about 312.5497000419.

Adding to 30532141 its reverse (14123503), we get a palindrome (44655644).

The spelling of 30532141 in words is "thirty million, five hundred thirty-two thousand, one hundred forty-one".