30898481 has 2 divisors, whose sum is σ = 30898482. Its totient is φ = 30898480.

The previous prime is 30898451. The next prime is 30898487. The reversal of 30898481 is 18489803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 1032256 = 5465^2 + 1016^2 .

It is a cyclic number.

It is not a de Polignac number, because 30898481 - 2¹⁰ = 30897457 is a prime.

It is a super-2 number, since 2×30898481² = 1909432256214722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30898487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15449240 + 15449241.

It is an arithmetic number, because the mean of its divisors is an integer number (15449241).

Almost surely, 2^30898481 is an apocalyptic number.

It is an amenable number.

30898481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30898481 is an equidigital number, since it uses as much as digits as its factorization.

30898481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 30898481 is about 5558.6402114186. The cubic root of 30898481 is about 313.7947764436.

It can be divided in two parts, 308 and 98481, that added together give a palindrome (98789).

The spelling of 30898481 in words is "thirty million, eight hundred ninety-eight thousand, four hundred eighty-one".