511104481 has 2 divisors, whose sum is σ = 511104482. Its totient is φ = 511104480.

The previous prime is 511104467. The next prime is 511104487. The reversal of 511104481 is 184401115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468332881 + 42771600 = 21641^2 + 6540^2 .

It is a cyclic number.

It is not a de Polignac number, because 511104481 - 2⁵ = 511104449 is a prime.

It is a super-2 number, since 2×511104481² = 522455580996558722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511104487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255552240 + 255552241.

It is an arithmetic number, because the mean of its divisors is an integer number (255552241).

Almost surely, 2^511104481 is an apocalyptic number.

It is an amenable number.

511104481 is a deficient number, since it is larger than the sum of its proper divisors (1).

511104481 is an equidigital number, since it uses as much as digits as its factorization.

511104481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 511104481 is about 22607.6199764593. The cubic root of 511104481 is about 799.5333116596.

Adding to 511104481 its reverse (184401115), we get a palindrome (695505596).

The spelling of 511104481 in words is "five hundred eleven million, one hundred four thousand, four hundred eighty-one".