52481 has 8 divisors (see below), whose sum is σ = 61824. Its totient is φ = 43920.

The previous prime is 52457. The next prime is 52489. The reversal of 52481 is 18425.

52481 = 64² + 65² + ... + 74².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52481 - 2¹⁴ = 36097 is a prime.

It is a super-2 number, since 2×52481² = 5508510722, which contains 22 as substring.

It is a Duffinian number.

52481 is a modest number, since divided by 481 gives 52 as remainder.

It is not an unprimeable number, because it can be changed into a prime (52489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 326.

It is an arithmetic number, because the mean of its divisors is an integer number (7728).

It is a Proth number, since it is equal to 205 ⋅ 2⁸ + 1 and 205 < 2⁸.

2⁵²⁴⁸¹ is an apocalyptic number.

It is an amenable number.

52481 is a deficient number, since it is larger than the sum of its proper divisors (9343).

52481 is a wasteful number, since it uses less digits than its factorization.

52481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its digits is 320, while the sum is 20.

The square root of 52481 is about 229.0873195967. The cubic root of 52481 is about 37.4398442934.

The spelling of 52481 in words is "fifty-two thousand, four hundred eighty-one".