487453 has 4 divisors (see below), whose sum is σ = 493020. Its totient is φ = 481888.

The previous prime is 487447. The next prime is 487457. The reversal of 487453 is 354784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344569 + 142884 = 587^2 + 378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487453 is a prime.

It is a super-2 number, since 2×487453² = 475220854418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (123255).

2⁴⁸⁷⁴⁵³ is an apocalyptic number.

It is an amenable number.

487453 is a deficient number, since it is larger than the sum of its proper divisors (5567).

487453 is an equidigital number, since it uses as much as digits as its factorization.

487453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566.

The product of its digits is 13440, while the sum is 31.

The square root of 487453 is about 698.1783439781. The cubic root of 487453 is about 78.7005164900.

The spelling of 487453 in words is "four hundred eighty-seven thousand, four hundred fifty-three".