2516225 has 6 divisors (see below), whose sum is σ = 3120150. Its totient is φ = 2012960.

The previous prime is 2516209. The next prime is 2516233. The reversal of 2516225 is 5226152.

It can be written as a sum of positive squares in 3 ways, for example, as 361201 + 2155024 = 601^2 + 1468^2 .

It is not a de Polignac number, because 2516225 - 2⁴ = 2516209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2516225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50300 + ... + 50349.

It is an arithmetic number, because the mean of its divisors is an integer number (520025).

2^2516225 is an apocalyptic number.

2516225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2516225 is a deficient number, since it is larger than the sum of its proper divisors (603925).

2516225 is a wasteful number, since it uses less digits than its factorization.

2516225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100659 (or 100654 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 2516225 is about 1586.2613277767. The cubic root of 2516225 is about 136.0138574403.

The spelling of 2516225 in words is "two million, five hundred sixteen thousand, two hundred twenty-five".