5231449 has 4 divisors (see below), whose sum is σ = 5238436. Its totient is φ = 5224464.

The previous prime is 5231431. The next prime is 5231453. The reversal of 5231449 is 9441325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2782224 + 2449225 = 1668^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 5231449 - 2⁵ = 5231417 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5232449) 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, 2214 + ... + 3919.

It is an arithmetic number, because the mean of its divisors is an integer number (1309609).

Almost surely, 2^5231449 is an apocalyptic number.

It is an amenable number.

5231449 is a deficient number, since it is larger than the sum of its proper divisors (6987).

5231449 is an equidigital number, since it uses as much as digits as its factorization.

5231449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986.

The product of its digits is 4320, while the sum is 28.

The square root of 5231449 is about 2287.2361049966. The cubic root of 5231449 is about 173.5963802717.

The spelling of 5231449 in words is "five million, two hundred thirty-one thousand, four hundred forty-nine".