495985025 has 12 divisors (see below), whose sum is σ = 647391600. Its totient is φ = 375904080.

The previous prime is 495984991. The next prime is 495985079. The reversal of 495985025 is 520589594.

It is a de Polignac number, because none of the positive numbers 2^k-495985025 is a prime.

It is a super-2 number, since 2×495985025² = 492002290048501250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521615 + ... + 522564.

It is an arithmetic number, because the mean of its divisors is an integer number (53949300).

Almost surely, 2^495985025 is an apocalyptic number.

It is an amenable number.

495985025 is a deficient number, since it is larger than the sum of its proper divisors (151406575).

495985025 is a wasteful number, since it uses less digits than its factorization.

495985025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044208 (or 1044203 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 495985025 is about 22270.7212501077. The cubic root of 495985025 is about 791.5703555351.

The spelling of 495985025 in words is "four hundred ninety-five million, nine hundred eighty-five thousand, twenty-five".