300472981 has 2 divisors, whose sum is σ = 300472982. Its totient is φ = 300472980.

The previous prime is 300472919. The next prime is 300472999. The reversal of 300472981 is 189274003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253892356 + 46580625 = 15934^2 + 6825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300472981 is a prime.

It is a super-2 number, since 2×300472981² = 180568024622052722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300472901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150236490 + 150236491.

It is an arithmetic number, because the mean of its divisors is an integer number (150236491).

Almost surely, 2^300472981 is an apocalyptic number.

It is an amenable number.

300472981 is a deficient number, since it is larger than the sum of its proper divisors (1).

300472981 is an equidigital number, since it uses as much as digits as its factorization.

300472981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 300472981 is about 17334.1564836597. The cubic root of 300472981 is about 669.7845754291.

The spelling of 300472981 in words is "three hundred million, four hundred seventy-two thousand, nine hundred eighty-one".