495018001 has 9 divisors (see below), whose sum is σ = 522889353. Its totient is φ = 468563940.

The previous prime is 495017987. The next prime is 495018011. The reversal of 495018001 is 100810594.

It is a happy number.

The square root of 495018001 is 22249.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 495018001 - 2²¹ = 492920849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495018011) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 422146 + ... + 423316.

It is an arithmetic number, because the mean of its divisors is an integer number (58098817).

Almost surely, 2^495018001 is an apocalyptic number.

495018001 is the 22249-th square number.

495018001 is the 11125-th centered octagonal number.

It is an amenable number.

495018001 is a deficient number, since it is larger than the sum of its proper divisors (27871352).

495018001 is an frugal number, since it uses more digits than its factorization.

495018001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 1190 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The cubic root of 495018001 is about 791.0555781992.

Adding to 495018001 its reverse (100810594), we get a palindrome (595828595).

The spelling of 495018001 in words is "four hundred ninety-five million, eighteen thousand, one".