87248425 has 12 divisors (see below), whose sum is σ = 118023696. Its totient is φ = 63453200.

The previous prime is 87248417. The next prime is 87248431. The reversal of 87248425 is 52484278.

It is not a de Polignac number, because 87248425 - 2³ = 87248417 is a prime.

It is a super-2 number, since 2×87248425² = 15224575329961250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158359 + ... + 158908.

It is an arithmetic number, because the mean of its divisors is an integer number (9835308).

Almost surely, 2^87248425 is an apocalyptic number.

It is an amenable number.

87248425 is a deficient number, since it is larger than the sum of its proper divisors (30775271).

87248425 is a wasteful number, since it uses less digits than its factorization.

87248425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317288 (or 317283 counting only the distinct ones).

The product of its digits is 143360, while the sum is 40.

The square root of 87248425 is about 9340.6865379371. The cubic root of 87248425 is about 443.5261173100.

The spelling of 87248425 in words is "eighty-seven million, two hundred forty-eight thousand, four hundred twenty-five".