403348481 has 2 divisors, whose sum is σ = 403348482. Its totient is φ = 403348480.

The previous prime is 403348459. The next prime is 403348487. The reversal of 403348481 is 184843304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384512881 + 18835600 = 19609^2 + 4340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403348481 is a prime.

It is a super-2 number, since 2×403348481² = 325379994250014722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (403348487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201674240 + 201674241.

It is an arithmetic number, because the mean of its divisors is an integer number (201674241).

Almost surely, 2^403348481 is an apocalyptic number.

It is an amenable number.

403348481 is a deficient number, since it is larger than the sum of its proper divisors (1).

403348481 is an equidigital number, since it uses as much as digits as its factorization.

403348481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 403348481 is about 20083.5375618938. The cubic root of 403348481 is about 738.8565741518.

The spelling of 403348481 in words is "four hundred three million, three hundred forty-eight thousand, four hundred eighty-one".