302400047 has 2 divisors, whose sum is σ = 302400048. Its totient is φ = 302400046.

The previous prime is 302400041. The next prime is 302400053. The reversal of 302400047 is 740004203.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (302400041) and next prime (302400053).

It is a cyclic number.

It is not a de Polignac number, because 302400047 - 2²⁶ = 235291183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302400041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151200023 + 151200024.

It is an arithmetic number, because the mean of its divisors is an integer number (151200024).

Almost surely, 2^302400047 is an apocalyptic number.

302400047 is a deficient number, since it is larger than the sum of its proper divisors (1).

302400047 is an equidigital number, since it uses as much as digits as its factorization.

302400047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 302400047 is about 17389.6534468057. The cubic root of 302400047 is about 671.2134000229.

The spelling of 302400047 in words is "three hundred two million, four hundred thousand, forty-seven".