5615449 has 6 divisors (see below), whose sum is σ = 6532314. Its totient is φ = 4813200.

The previous prime is 5615437. The next prime is 5615459. The reversal of 5615449 is 9445165.

It can be written as a sum of positive squares in only one way, i.e., 4862025 + 753424 = 2205^2 + 868^2 .

It is not a de Polignac number, because 5615449 - 2⁵ = 5615417 is a prime.

It is a Duffinian number.

5615449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5615429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57252 + ... + 57349.

It is an arithmetic number, because the mean of its divisors is an integer number (1088719).

Almost surely, 2^5615449 is an apocalyptic number.

It is an amenable number.

5615449 is a deficient number, since it is larger than the sum of its proper divisors (916865).

5615449 is a wasteful number, since it uses less digits than its factorization.

5615449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114615 (or 114608 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 5615449 is about 2369.6938620843. The cubic root of 5615449 is about 177.7439507543.

It can be divided in two parts, 5615 and 449, that multiplied together give a triangular number (2521135 = T₂₂₄₅).

The spelling of 5615449 in words is "five million, six hundred fifteen thousand, four hundred forty-nine".