87252625 has 8 divisors (see below), whose sum is σ = 108891432. Its totient is φ = 69802000.

The previous prime is 87252601. The next prime is 87252637. The reversal of 87252625 is 52625278.

It can be written as a sum of positive squares in 4 ways, for example, as 2483776 + 84768849 = 1576^2 + 9207^2 .

It is not a de Polignac number, because 87252625 - 2¹⁵ = 87219857 is a prime.

It is a super-2 number, since 2×87252625² = 15226041138781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348886 + ... + 349135.

It is an arithmetic number, because the mean of its divisors is an integer number (13611429).

Almost surely, 2^87252625 is an apocalyptic number.

It is an amenable number.

87252625 is a deficient number, since it is larger than the sum of its proper divisors (21638807).

87252625 is an equidigital number, since it uses as much as digits as its factorization.

87252625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698036 (or 698026 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 87252625 is about 9340.9113581063. The cubic root of 87252625 is about 443.5332340758.

The spelling of 87252625 in words is "eighty-seven million, two hundred fifty-two thousand, six hundred twenty-five".