421486249 has 2 divisors, whose sum is σ = 421486250. Its totient is φ = 421486248.

The previous prime is 421486211. The next prime is 421486297. The reversal of 421486249 is 942684124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219988224 + 201498025 = 14832^2 + 14195^2 .

It is a cyclic number.

It is not a de Polignac number, because 421486249 - 2⁹ = 421485737 is a prime.

It is not a weakly prime, because it can be changed into another prime (421486349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210743124 + 210743125.

It is an arithmetic number, because the mean of its divisors is an integer number (210743125).

Almost surely, 2^421486249 is an apocalyptic number.

It is an amenable number.

421486249 is a deficient number, since it is larger than the sum of its proper divisors (1).

421486249 is an equidigital number, since it uses as much as digits as its factorization.

421486249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 40.

The square root of 421486249 is about 20530.1302723582. The cubic root of 421486249 is about 749.7695582397.

The spelling of 421486249 in words is "four hundred twenty-one million, four hundred eighty-six thousand, two hundred forty-nine".