495530661 has 8 divisors (see below), whose sum is σ = 663220800. Its totient is φ = 329097152.

The previous prime is 495530617. The next prime is 495530663. The reversal of 495530661 is 166035594.

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

It is a cyclic number.

It is not a de Polignac number, because 495530661 - 2⁶ = 495530597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495530663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313236 + ... + 314813.

It is an arithmetic number, because the mean of its divisors is an integer number (82902600).

Almost surely, 2^495530661 is an apocalyptic number.

It is an amenable number.

495530661 is a deficient number, since it is larger than the sum of its proper divisors (167690139).

495530661 is a wasteful number, since it uses less digits than its factorization.

495530661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628315.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 495530661 is about 22260.5179858870. The cubic root of 495530661 is about 791.3285666790.

The spelling of 495530661 in words is "four hundred ninety-five million, five hundred thirty thousand, six hundred sixty-one".