3504473281 has 2 divisors, whose sum is σ = 3504473282. Its totient is φ = 3504473280.

The previous prime is 3504473251. The next prime is 3504473299. The reversal of 3504473281 is 1823744053.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1992818881 + 1511654400 = 44641^2 + 38880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3504473281 - 2⁵ = 3504473249 is a prime.

It is a super-2 number, since 2×3504473281² = 24562665954485809922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3504473281.

It is not a weakly prime, because it can be changed into another prime (3504473251) 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, 1752236640 + 1752236641.

It is an arithmetic number, because the mean of its divisors is an integer number (1752236641).

Almost surely, 2^3504473281 is an apocalyptic number.

It is an amenable number.

3504473281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3504473281 is an equidigital number, since it uses as much as digits as its factorization.

3504473281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 3504473281 is about 59198.5918835913. The cubic root of 3504473281 is about 1518.9410446482.

The spelling of 3504473281 in words is "three billion, five hundred four million, four hundred seventy-three thousand, two hundred eighty-one".