572987137 has 2 divisors, whose sum is σ = 572987138. Its totient is φ = 572987136.

The previous prime is 572987117. The next prime is 572987171. The reversal of 572987137 is 731789275.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452668176 + 120318961 = 21276^2 + 10969^2 .

It is a cyclic number.

It is not a de Polignac number, because 572987137 - 2¹¹ = 572985089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (572987117) by changing a digit.

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 as a sum of consecutive naturals, namely, 286493568 + 286493569.

It is an arithmetic number, because the mean of its divisors is an integer number (286493569).

Almost surely, 2^572987137 is an apocalyptic number.

It is an amenable number.

572987137 is a deficient number, since it is larger than the sum of its proper divisors (1).

572987137 is an equidigital number, since it uses as much as digits as its factorization.

572987137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 49.

The square root of 572987137 is about 23937.1497258968. The cubic root of 572987137 is about 830.5802962755.

The spelling of 572987137 in words is "five hundred seventy-two million, nine hundred eighty-seven thousand, one hundred thirty-seven".