490654565 has 8 divisors (see below), whose sum is σ = 588922488. Its totient is φ = 392432320.

The previous prime is 490654531. The next prime is 490654589. The reversal of 490654565 is 565456094.

It can be written as a sum of positive squares in 4 ways, for example, as 56640676 + 434013889 = 7526^2 + 20833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 490654565 - 2⁶ = 490654501 is a prime.

It is a super-3 number, since 3×490654565³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20159 + ... + 37251.

It is an arithmetic number, because the mean of its divisors is an integer number (73615311).

Almost surely, 2^490654565 is an apocalyptic number.

It is an amenable number.

490654565 is a deficient number, since it is larger than the sum of its proper divisors (98267923).

490654565 is a wasteful number, since it uses less digits than its factorization.

490654565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22839.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 490654565 is about 22150.7238030724. The cubic root of 490654565 is about 788.7244088934.

The spelling of 490654565 in words is "four hundred ninety million, six hundred fifty-four thousand, five hundred sixty-five".