549315 has 32 divisors (see below), whose sum is σ = 1055040. Its totient is φ = 269568.

The previous prime is 549313. The next prime is 549319. The reversal of 549315 is 513945.

It is not a de Polignac number, because 549315 - 2¹ = 549313 is a prime.

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

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (549313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1599 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (32970).

2⁵⁴⁹³¹⁵ is an apocalyptic number.

549315 is a deficient number, since it is larger than the sum of its proper divisors (505725).

549315 is a wasteful number, since it uses less digits than its factorization.

549315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 334 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 549315 is about 741.1578779181. The cubic root of 549315 is about 81.8980986825.

The spelling of 549315 in words is "five hundred forty-nine thousand, three hundred fifteen".