495591853 has 2 divisors, whose sum is σ = 495591854. Its totient is φ = 495591852.

The previous prime is 495591809. The next prime is 495591869. The reversal of 495591853 is 358195594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403085929 + 92505924 = 20077^2 + 9618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495591853 is a prime.

It is a super-2 number, since 2×495591853² = 491222569519947218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 495591797 and 495591806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495591893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247795926 + 247795927.

It is an arithmetic number, because the mean of its divisors is an integer number (247795927).

Almost surely, 2^495591853 is an apocalyptic number.

It is an amenable number.

495591853 is a deficient number, since it is larger than the sum of its proper divisors (1).

495591853 is an equidigital number, since it uses as much as digits as its factorization.

495591853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 49.

The square root of 495591853 is about 22261.8923948527. The cubic root of 495591853 is about 791.3611384842.

The spelling of 495591853 in words is "four hundred ninety-five million, five hundred ninety-one thousand, eight hundred fifty-three".