424995481 has 2 divisors, whose sum is σ = 424995482. Its totient is φ = 424995480.

The previous prime is 424995451. The next prime is 424995491. The reversal of 424995481 is 184599424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288456256 + 136539225 = 16984^2 + 11685^2 .

It is a cyclic number.

It is not a de Polignac number, because 424995481 - 2⁷ = 424995353 is a prime.

It is a super-2 number, since 2×424995481² = 361242317740842722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424995451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212497740 + 212497741.

It is an arithmetic number, because the mean of its divisors is an integer number (212497741).

Almost surely, 2^424995481 is an apocalyptic number.

It is an amenable number.

424995481 is a deficient number, since it is larger than the sum of its proper divisors (1).

424995481 is an equidigital number, since it uses as much as digits as its factorization.

424995481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 424995481 is about 20615.4185259480. The cubic root of 424995481 is about 751.8446333103.

The spelling of 424995481 in words is "four hundred twenty-four million, nine hundred ninety-five thousand, four hundred eighty-one".