487457 has 2 divisors, whose sum is σ = 487458. Its totient is φ = 487456.

The previous prime is 487447. The next prime is 487463. The reversal of 487457 is 754784.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430336 + 57121 = 656^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 487457 - 2¹⁰ = 486433 is a prime.

It is a super-2 number, since 2×487457² = 475228653698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (487427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243728 + 243729.

It is an arithmetic number, because the mean of its divisors is an integer number (243729).

2⁴⁸⁷⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

487457 is a deficient number, since it is larger than the sum of its proper divisors (1).

487457 is an equidigital number, since it uses as much as digits as its factorization.

487457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 35.

The square root of 487457 is about 698.1812085698. The cubic root of 487457 is about 78.7007317595.

The spelling of 487457 in words is "four hundred eighty-seven thousand, four hundred fifty-seven".