487261 has 2 divisors, whose sum is σ = 487262. Its totient is φ = 487260.

The previous prime is 487247. The next prime is 487283. The reversal of 487261 is 162784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481636 + 5625 = 694^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 487261 - 2⁷ = 487133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243630 + 243631.

It is an arithmetic number, because the mean of its divisors is an integer number (243631).

2⁴⁸⁷²⁶¹ is an apocalyptic number.

It is an amenable number.

487261 is a deficient number, since it is larger than the sum of its proper divisors (1).

487261 is an equidigital number, since it uses as much as digits as its factorization.

487261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 487261 is about 698.0408297514. The cubic root of 487261 is about 78.6901821716.

The spelling of 487261 in words is "four hundred eighty-seven thousand, two hundred sixty-one".