52149 has 4 divisors (see below), whose sum is σ = 69536. Its totient is φ = 34764.

The previous prime is 52147. The next prime is 52153. The reversal of 52149 is 94125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52149 - 2¹ = 52147 is a prime.

It is an Ulam number.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

52149 is a lucky number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52147) 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, 8689 + ... + 8694.

It is an arithmetic number, because the mean of its divisors is an integer number (17384).

2⁵²¹⁴⁹ is an apocalyptic number.

It is an amenable number.

52149 is a deficient number, since it is larger than the sum of its proper divisors (17387).

52149 is a wasteful number, since it uses less digits than its factorization.

52149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386.

The product of its digits is 360, while the sum is 21.

The square root of 52149 is about 228.3615554335. The cubic root of 52149 is about 37.3607278385.

The spelling of 52149 in words is "fifty-two thousand, one hundred forty-nine".