2516885 has 12 divisors (see below), whose sum is σ = 3513708. Its totient is φ = 1725696.

The previous prime is 2516869. The next prime is 2516887. The reversal of 2516885 is 5886152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 729316 + 1787569 = 854^2 + 1337^2 .

It is not a de Polignac number, because 2516885 - 2⁴ = 2516869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4892 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (292809).

2^2516885 is an apocalyptic number.

It is an amenable number.

2516885 is a deficient number, since it is larger than the sum of its proper divisors (996823).

2516885 is a wasteful number, since it uses less digits than its factorization.

2516885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292 (or 10285 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 2516885 is about 1586.4693504761. The cubic root of 2516885 is about 136.0257484409.

The spelling of 2516885 in words is "two million, five hundred sixteen thousand, eight hundred eighty-five".