485619021 has 6 divisors (see below), whose sum is σ = 701449710. Its totient is φ = 323746008.

The previous prime is 485619011. The next prime is 485619023. The reversal of 485619021 is 120916584.

485619021 is a `hidden beast` number, since 4 + 8 + 561 + 90 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 474629796 + 10989225 = 21786^2 + 3315^2 .

It is not a de Polignac number, because 485619021 - 2⁷ = 485618893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485619023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26978826 + ... + 26978843.

It is an arithmetic number, because the mean of its divisors is an integer number (116908285).

Almost surely, 2^485619021 is an apocalyptic number.

It is an amenable number.

485619021 is a deficient number, since it is larger than the sum of its proper divisors (215830689).

485619021 is a wasteful number, since it uses less digits than its factorization.

485619021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53957675 (or 53957672 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 485619021 is about 22036.7652118000. The cubic root of 485619021 is about 786.0169226976.

The spelling of 485619021 in words is "four hundred eighty-five million, six hundred nineteen thousand, twenty-one".