495048221 has 4 divisors (see below), whose sum is σ = 496797792. Its totient is φ = 493298652.

The previous prime is 495048209. The next prime is 495048223. The reversal of 495048221 is 122840594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 495048221 - 2⁶ = 495048157 is a prime.

It is a super-2 number, since 2×495048221² = 490145482230529682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495048223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874361 + ... + 874926.

It is an arithmetic number, because the mean of its divisors is an integer number (124199448).

Almost surely, 2^495048221 is an apocalyptic number.

It is an amenable number.

495048221 is a deficient number, since it is larger than the sum of its proper divisors (1749571).

495048221 is a wasteful number, since it uses less digits than its factorization.

495048221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749570.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 495048221 is about 22249.6791212817. The cubic root of 495048221 is about 791.0716754004.

The spelling of 495048221 in words is "four hundred ninety-five million, forty-eight thousand, two hundred twenty-one".