30342517 has 2 divisors, whose sum is σ = 30342518. Its totient is φ = 30342516.

The previous prime is 30342511. The next prime is 30342539. The reversal of 30342517 is 71524303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24147396 + 6195121 = 4914^2 + 2489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30342517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30342491 and 30342500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30342511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15171258 + 15171259.

It is an arithmetic number, because the mean of its divisors is an integer number (15171259).

Almost surely, 2^30342517 is an apocalyptic number.

It is an amenable number.

30342517 is a deficient number, since it is larger than the sum of its proper divisors (1).

30342517 is an equidigital number, since it uses as much as digits as its factorization.

30342517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 30342517 is about 5508.4042153785. The cubic root of 30342517 is about 311.9013117909.

The spelling of 30342517 in words is "thirty million, three hundred forty-two thousand, five hundred seventeen".