30373481 has 2 divisors, whose sum is σ = 30373482. Its totient is φ = 30373480.

The previous prime is 30373477. The next prime is 30373507. The reversal of 30373481 is 18437303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23921881 + 6451600 = 4891^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 30373481 - 2² = 30373477 is a prime.

It is a super-2 number, since 2×30373481² = 1845096696114722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30373451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15186740 + 15186741.

It is an arithmetic number, because the mean of its divisors is an integer number (15186741).

Almost surely, 2^30373481 is an apocalyptic number.

It is an amenable number.

30373481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30373481 is an equidigital number, since it uses as much as digits as its factorization.

30373481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 30373481 is about 5511.2141130608. The cubic root of 30373481 is about 312.0073723055.

The spelling of 30373481 in words is "thirty million, three hundred seventy-three thousand, four hundred eighty-one".