30436541 has 2 divisors, whose sum is σ = 30436542. Its totient is φ = 30436540.

The previous prime is 30436519. The next prime is 30436591. The reversal of 30436541 is 14563403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30415225 + 21316 = 5515^2 + 146^2 .

It is an emirp because it is prime and its reverse (14563403) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30436541 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30436541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30436591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15218270 + 15218271.

It is an arithmetic number, because the mean of its divisors is an integer number (15218271).

Almost surely, 2^30436541 is an apocalyptic number.

It is an amenable number.

30436541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30436541 is an equidigital number, since it uses as much as digits as its factorization.

30436541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30436541 is about 5516.9322091177. The cubic root of 30436541 is about 312.2231480821.

Adding to 30436541 its reverse (14563403), we get a palindrome (44999944).

The spelling of 30436541 in words is "thirty million, four hundred thirty-six thousand, five hundred forty-one".