495331000 has 64 divisors (see below), whose sum is σ = 1176533280. Its totient is φ = 195148800.

The previous prime is 495330977. The next prime is 495331009. The reversal of 495331000 is 133594.

It is a super-2 number, since 2×495331000² = 490705599122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495331009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63304 + ... + 70696.

Almost surely, 2^495331000 is an apocalyptic number.

495331000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588266640).

495331000 is an abundant number, since it is smaller than the sum of its proper divisors (681202280).

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

495331000 is a wasteful number, since it uses less digits than its factorization.

495331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481 (or 7467 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 495331000 is about 22256.0328899829. The cubic root of 495331000 is about 791.2222707485. Note that the first 4 decimals are identical.

Adding to 495331000 its reverse (133594), we get a palindrome (495464594).

It can be divided in two parts, 4953 and 31000, that added together give a palindrome (35953).

The spelling of 495331000 in words is "four hundred ninety-five million, three hundred thirty-one thousand".