30318461 has 2 divisors, whose sum is σ = 30318462. Its totient is φ = 30318460.

The previous prime is 30318437. The next prime is 30318467. The reversal of 30318461 is 16481303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 4866436 = 5045^2 + 2206^2 .

It is a cyclic number.

It is not a de Polignac number, because 30318461 - 2¹⁰ = 30317437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30318461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30318467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15159230 + 15159231.

It is an arithmetic number, because the mean of its divisors is an integer number (15159231).

Almost surely, 2^30318461 is an apocalyptic number.

It is an amenable number.

30318461 is a deficient number, since it is larger than the sum of its proper divisors (1).

30318461 is an equidigital number, since it uses as much as digits as its factorization.

30318461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30318461 is about 5506.2202099081. The cubic root of 30318461 is about 311.8188633277.

Adding to 30318461 its reverse (16481303), we get a palindrome (46799764).

The spelling of 30318461 in words is "thirty million, three hundred eighteen thousand, four hundred sixty-one".