495482381 has 2 divisors, whose sum is σ = 495482382. Its totient is φ = 495482380.

The previous prime is 495482363. The next prime is 495482387. The reversal of 495482381 is 183284594.

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., 450712900 + 44769481 = 21230^2 + 6691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495482381 is a prime.

It is a super-2 number, since 2×495482381² = 491005579762858322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495482387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247741190 + 247741191.

It is an arithmetic number, because the mean of its divisors is an integer number (247741191).

Almost surely, 2^495482381 is an apocalyptic number.

It is an amenable number.

495482381 is a deficient number, since it is larger than the sum of its proper divisors (1).

495482381 is an equidigital number, since it uses as much as digits as its factorization.

495482381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 495482381 is about 22259.4335282819. The cubic root of 495482381 is about 791.3028658919.

The spelling of 495482381 in words is "four hundred ninety-five million, four hundred eighty-two thousand, three hundred eighty-one".