8251560 has 48 divisors (see below), whose sum is σ = 26818740. Its totient is φ = 2200320.

The previous prime is 8251541. The next prime is 8251561. The reversal of 8251560 is 651528.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 60516 = 2862^2 + 246^2 .

It is not an unprimeable number, because it can be changed into a prime (8251561) by changing a digit.

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, 11101 + ... + 11820.

Almost surely, 2^8251560 is an apocalyptic number.

It is an amenable number.

8251560 is an abundant number, since it is smaller than the sum of its proper divisors (18567180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8251560 is a wasteful number, since it uses less digits than its factorization.

8251560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22938 (or 22931 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 8251560 is about 2872.5528715761. The cubic root of 8251560 is about 202.0747362576.

The spelling of 8251560 in words is "eight million, two hundred fifty-one thousand, five hundred sixty".