562131620 has 24 divisors (see below), whose sum is σ = 1186476984. Its totient is φ = 223709696.

The previous prime is 562131617. The next prime is 562131631. The reversal of 562131620 is 26131265.

It can be written as a sum of positive squares in 4 ways, for example, as 213861376 + 348270244 = 14624^2 + 18662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 562131620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67397 + ... + 75276.

It is an arithmetic number, because the mean of its divisors is an integer number (49436541).

Almost surely, 2^562131620 is an apocalyptic number.

It is an amenable number.

562131620 is an abundant number, since it is smaller than the sum of its proper divisors (624345364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

562131620 is a wasteful number, since it uses less digits than its factorization.

562131620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142879 (or 142877 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 562131620 is about 23709.3150470443. The cubic root of 562131620 is about 825.3015708032.

Adding to 562131620 its reverse (26131265), we get a palindrome (588262885).

The spelling of 562131620 in words is "five hundred sixty-two million, one hundred thirty-one thousand, six hundred twenty".