2516625 has 24 divisors (see below), whose sum is σ = 4538664. Its totient is φ = 1341600.

The previous prime is 2516603. The next prime is 2516659. The reversal of 2516625 is 5266152.

2516625 is a `hidden beast` number, since 25 + 16 + 625 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7569 + 2509056 = 87^2 + 1584^2 .

It is not a de Polignac number, because 2516625 - 2⁷ = 2516497 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (189111).

2^2516625 is an apocalyptic number.

2516625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2516625 is a deficient number, since it is larger than the sum of its proper divisors (2022039).

2516625 is a wasteful number, since it uses less digits than its factorization.

2516625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2245 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2516625 is about 1586.3874053963. The cubic root of 2516625 is about 136.0210643555.

The spelling of 2516625 in words is "two million, five hundred sixteen thousand, six hundred twenty-five".