449251 has 4 divisors (see below), whose sum is σ = 490104. Its totient is φ = 408400.

The previous prime is 449249. The next prime is 449261. The reversal of 449251 is 152944.

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

It is a cyclic number.

It is not a de Polignac number, because 449251 - 2¹ = 449249 is a prime.

It is a super-2 number, since 2×449251² = 403652922002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449201) 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, 20410 + ... + 20431.

It is an arithmetic number, because the mean of its divisors is an integer number (122526).

2⁴⁴⁹²⁵¹ is an apocalyptic number.

449251 is a deficient number, since it is larger than the sum of its proper divisors (40853).

449251 is a wasteful number, since it uses less digits than its factorization.

449251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40852.

The product of its digits is 1440, while the sum is 25.

The square root of 449251 is about 670.2618891150. The cubic root of 449251 is about 76.5884036464.

It can be divided in two parts, 44 and 9251, that multiplied together give a square (407044 = 638²).

The spelling of 449251 in words is "four hundred forty-nine thousand, two hundred fifty-one".