2516949 has 24 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 1546560.

The previous prime is 2516947. The next prime is 2516953. The reversal of 2516949 is 9496152.

It is not a de Polignac number, because 2516949 - 2¹ = 2516947 is a prime.

2516949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516947) 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 23 ways as a sum of consecutive naturals, for example, 6832 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^2516949 is an apocalyptic number.

It is an amenable number.

2516949 is a deficient number, since it is larger than the sum of its proper divisors (1414251).

2516949 is a wasteful number, since it uses less digits than its factorization.

2516949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 422 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 2516949 is about 1586.4895209235. The cubic root of 2516949 is about 136.0269013970.

The spelling of 2516949 in words is "two million, five hundred sixteen thousand, nine hundred forty-nine".