2516445 has 12 divisors (see below), whose sum is σ = 4361916. Its totient is φ = 1342080.

The previous prime is 2516429. The next prime is 2516447. The reversal of 2516445 is 5446152.

It can be written as a sum of positive squares in 2 ways, for example, as 1879641 + 636804 = 1371^2 + 798^2 .

It is not a de Polignac number, because 2516445 - 2⁴ = 2516429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27916 + ... + 28005.

It is an arithmetic number, because the mean of its divisors is an integer number (363493).

2^2516445 is an apocalyptic number.

It is an amenable number.

2516445 is a deficient number, since it is larger than the sum of its proper divisors (1845471).

2516445 is a wasteful number, since it uses less digits than its factorization.

2516445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55932 (or 55929 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2516445 is about 1586.3306717075. The cubic root of 2516445 is about 136.0178213382.

The spelling of 2516445 in words is "two million, five hundred sixteen thousand, four hundred forty-five".