30246481 has 2 divisors, whose sum is σ = 30246482. Its totient is φ = 30246480.

The previous prime is 30246473. The next prime is 30246487. The reversal of 30246481 is 18464203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30074256 + 172225 = 5484^2 + 415^2 .

It is an emirp because it is prime and its reverse (18464203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30246481 - 2³ = 30246473 is a prime.

It is a super-2 number, since 2×30246481² = 1829699225766722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30246487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15123240 + 15123241.

It is an arithmetic number, because the mean of its divisors is an integer number (15123241).

Almost surely, 2^30246481 is an apocalyptic number.

It is an amenable number.

30246481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30246481 is an equidigital number, since it uses as much as digits as its factorization.

30246481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 30246481 is about 5499.6800816047. The cubic root of 30246481 is about 311.5719015016.

The spelling of 30246481 in words is "thirty million, two hundred forty-six thousand, four hundred eighty-one".