495850221 has 32 divisors (see below), whose sum is σ = 743527680. Its totient is φ = 326576448.

The previous prime is 495850181. The next prime is 495850231. The reversal of 495850221 is 122058594.

It is not a de Polignac number, because 495850221 - 2¹⁵ = 495817453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495850231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1248795 + ... + 1249191.

It is an arithmetic number, because the mean of its divisors is an integer number (23235240).

Almost surely, 2^495850221 is an apocalyptic number.

It is an amenable number.

495850221 is a deficient number, since it is larger than the sum of its proper divisors (247677459).

495850221 is a wasteful number, since it uses less digits than its factorization.

495850221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 495850221 is about 22267.6945596081. The cubic root of 495850221 is about 791.4986352790.

The spelling of 495850221 in words is "four hundred ninety-five million, eight hundred fifty thousand, two hundred twenty-one".