504452381 has 2 divisors, whose sum is σ = 504452382. Its totient is φ = 504452380.

The previous prime is 504452369. The next prime is 504452387. The reversal of 504452381 is 183254405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258244900 + 246207481 = 16070^2 + 15691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504452381 is a prime.

It is a super-2 number, since 2×504452381² = 508944409393138322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504452387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252226190 + 252226191.

It is an arithmetic number, because the mean of its divisors is an integer number (252226191).

Almost surely, 2^504452381 is an apocalyptic number.

It is an amenable number.

504452381 is a deficient number, since it is larger than the sum of its proper divisors (1).

504452381 is an equidigital number, since it uses as much as digits as its factorization.

504452381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 504452381 is about 22460.0173864581. The cubic root of 504452381 is about 796.0494722120.

The spelling of 504452381 in words is "five hundred four million, four hundred fifty-two thousand, three hundred eighty-one".