487973 has 2 divisors, whose sum is σ = 487974. Its totient is φ = 487972.

The previous prime is 487943. The next prime is 487979. The reversal of 487973 is 379784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438244 + 49729 = 662^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 487973 - 2⁸ = 487717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243986 + 243987.

It is an arithmetic number, because the mean of its divisors is an integer number (243987).

2⁴⁸⁷⁹⁷³ is an apocalyptic number.

It is an amenable number.

487973 is a deficient number, since it is larger than the sum of its proper divisors (1).

487973 is an equidigital number, since it uses as much as digits as its factorization.

487973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 487973 is about 698.5506424018. The cubic root of 487973 is about 78.7284916486.

It can be divided in two parts, 487 and 973, that multiplied together give a triangular number (473851 = T₉₇₃).

The spelling of 487973 in words is "four hundred eighty-seven thousand, nine hundred seventy-three".