30106541 has 4 divisors (see below), whose sum is σ = 31877532. Its totient is φ = 28335552.

The previous prime is 30106537. The next prime is 30106543. The reversal of 30106541 is 14560103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14560103 = 1061 ⋅13723.

It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 7344100 = 4771^2 + 2710^2 .

It is a cyclic number.

It is not a de Polignac number, because 30106541 - 2² = 30106537 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 (30106543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885470 + ... + 885503.

It is an arithmetic number, because the mean of its divisors is an integer number (7969383).

Almost surely, 2^30106541 is an apocalyptic number.

It is an amenable number.

30106541 is a deficient number, since it is larger than the sum of its proper divisors (1770991).

30106541 is a wasteful number, since it uses less digits than its factorization.

30106541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770990.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 30106541 is about 5486.9427735306. The cubic root of 30106541 is about 311.0906467501.

Adding to 30106541 its reverse (14560103), we get a palindrome (44666644).

The spelling of 30106541 in words is "thirty million, one hundred six thousand, five hundred forty-one".