302420479 has 2 divisors, whose sum is σ = 302420480. Its totient is φ = 302420478.

The previous prime is 302420477. The next prime is 302420501. The reversal of 302420479 is 974024203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 302420479 - 2¹ = 302420477 is a prime.

It is a super-2 number, since 2×302420479² = 182916292237178882, which contains 22 as substring.

Together with 302420477, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 302420479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302420477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151210239 + 151210240.

It is an arithmetic number, because the mean of its divisors is an integer number (151210240).

Almost surely, 2^302420479 is an apocalyptic number.

302420479 is a deficient number, since it is larger than the sum of its proper divisors (1).

302420479 is an equidigital number, since it uses as much as digits as its factorization.

302420479 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 31.

The square root of 302420479 is about 17390.2409126498. The cubic root of 302420479 is about 671.2285167791.

The spelling of 302420479 in words is "three hundred two million, four hundred twenty thousand, four hundred seventy-nine".