495821025 has 36 divisors (see below), whose sum is σ = 1014940992. Its totient is φ = 226660320.

The previous prime is 495821009. The next prime is 495821059. The reversal of 495821025 is 520128594.

495821025 is a `hidden beast` number, since 49 + 582 + 10 + 25 = 666.

It is not a de Polignac number, because 495821025 - 2⁴ = 495821009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 155829 + ... + 158978.

Almost surely, 2^495821025 is an apocalyptic number.

495821025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

495821025 is an abundant number, since it is smaller than the sum of its proper divisors (519119967).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495821025 is a wasteful number, since it uses less digits than its factorization.

495821025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314830 (or 314822 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 495821025 is about 22267.0389814183. The cubic root of 495821025 is about 791.4831003139.

The spelling of 495821025 in words is "four hundred ninety-five million, eight hundred twenty-one thousand, twenty-five".