495545121 has 30 divisors (see below), whose sum is σ = 786401990. Its totient is φ = 310915584.

The previous prime is 495545101. The next prime is 495545131. The reversal of 495545121 is 121545594.

495545121 is a `hidden beast` number, since 4 + 95 + 54 + 512 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 350101521 + 145443600 = 18711^2 + 12060^2 .

It is not a de Polignac number, because 495545121 - 2⁷ = 495544993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495545101) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 12825 + ... + 33993.

Almost surely, 2^495545121 is an apocalyptic number.

It is an amenable number.

495545121 is a deficient number, since it is larger than the sum of its proper divisors (290856869).

495545121 is a wasteful number, since it uses less digits than its factorization.

495545121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21215 (or 21189 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 495545121 is about 22260.8427738035. The cubic root of 495545121 is about 791.3362638144.

The spelling of 495545121 in words is "four hundred ninety-five million, five hundred forty-five thousand, one hundred twenty-one".