504067381 has 2 divisors, whose sum is σ = 504067382. Its totient is φ = 504067380.

The previous prime is 504067337. The next prime is 504067393. The reversal of 504067381 is 183760405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354983281 + 149084100 = 18841^2 + 12210^2 .

It is a cyclic number.

It is not a de Polignac number, because 504067381 - 2¹⁵ = 504034613 is a prime.

It is a super-2 number, since 2×504067381² = 508167849176398322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504067301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252033690 + 252033691.

It is an arithmetic number, because the mean of its divisors is an integer number (252033691).

Almost surely, 2^504067381 is an apocalyptic number.

It is an amenable number.

504067381 is a deficient number, since it is larger than the sum of its proper divisors (1).

504067381 is an equidigital number, since it uses as much as digits as its factorization.

504067381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 504067381 is about 22451.4449646342. Note that the first 3 decimals coincide. The cubic root of 504067381 is about 795.8469046621.

The spelling of 504067381 in words is "five hundred four million, sixty-seven thousand, three hundred eighty-one".