2087617225 has 12 divisors (see below), whose sum is σ = 2605138444. Its totient is φ = 1659453120.

The previous prime is 2087617199. The next prime is 2087617249. The reversal of 2087617225 is 5227167802.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 568488649 + 1519128576 = 23843^2 + 38976^2 .

It is not a de Polignac number, because 2087617225 - 2⁵ = 2087617193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262014 + ... + 269863.

Almost surely, 2^2087617225 is an apocalyptic number.

2087617225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2087617225 is a deficient number, since it is larger than the sum of its proper divisors (517521219).

2087617225 is a wasteful number, since it uses less digits than its factorization.

2087617225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532044 (or 532039 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 2087617225 is about 45690.4500415568. The cubic root of 2087617225 is about 1278.0571977392.

The spelling of 2087617225 in words is "two billion, eighty-seven million, six hundred seventeen thousand, two hundred twenty-five".