495205439 has 4 divisors (see below), whose sum is σ = 511179840. Its totient is φ = 479231040.

The previous prime is 495205411. The next prime is 495205441. The reversal of 495205439 is 934502594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495205439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 495205396 and 495205405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495205499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7987154 + ... + 7987215.

It is an arithmetic number, because the mean of its divisors is an integer number (127794960).

Almost surely, 2^495205439 is an apocalyptic number.

495205439 is a deficient number, since it is larger than the sum of its proper divisors (15974401).

495205439 is a wasteful number, since it uses less digits than its factorization.

495205439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15974400.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 495205439 is about 22253.2118805354. The cubic root of 495205439 is about 791.1554096966.

The spelling of 495205439 in words is "four hundred ninety-five million, two hundred five thousand, four hundred thirty-nine".