487957237 has 2 divisors, whose sum is σ = 487957238. Its totient is φ = 487957236.

The previous prime is 487957231. The next prime is 487957333. The reversal of 487957237 is 732759784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417548356 + 70408881 = 20434^2 + 8391^2 .

It is a cyclic number.

It is not a de Polignac number, because 487957237 - 2⁷ = 487957109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487957231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243978618 + 243978619.

It is an arithmetic number, because the mean of its divisors is an integer number (243978619).

Almost surely, 2^487957237 is an apocalyptic number.

It is an amenable number.

487957237 is a deficient number, since it is larger than the sum of its proper divisors (1).

487957237 is an equidigital number, since it uses as much as digits as its factorization.

487957237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 52.

The square root of 487957237 is about 22089.7541181426. The cubic root of 487957237 is about 787.2764391687.

The spelling of 487957237 in words is "four hundred eighty-seven million, nine hundred fifty-seven thousand, two hundred thirty-seven".