87453 has 16 divisors (see below), whose sum is σ = 134400. Its totient is φ = 56160.

The previous prime is 87443. The next prime is 87473. The reversal of 87453 is 35478.

It is not a de Polignac number, because 87453 - 2⁵ = 87421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

87453 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87453.

It is not an unprimeable number, because it can be changed into a prime (87403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068 + ... + 1146.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

2⁸⁷⁴⁵³ is an apocalyptic number.

It is an amenable number.

87453 is a deficient number, since it is larger than the sum of its proper divisors (46947).

87453 is a wasteful number, since it uses less digits than its factorization.

87453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 123 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 87453 is about 295.7245339839. The cubic root of 87453 is about 44.3872498086.

The spelling of 87453 in words is "eighty-seven thousand, four hundred fifty-three".