8251264 has 32 divisors (see below), whose sum is σ = 18788400. Its totient is φ = 3535872.

The previous prime is 8251253. The next prime is 8251267. The reversal of 8251264 is 4621528.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8251267) 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 3 ways as a sum of consecutive naturals, for example, 3709 + ... + 5500.

Almost surely, 2^8251264 is an apocalyptic number.

It is an amenable number.

8251264 is an abundant number, since it is smaller than the sum of its proper divisors (10537136).

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

8251264 is an equidigital number, since it uses as much as digits as its factorization.

8251264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9218 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 8251264 is about 2872.5013489988. The cubic root of 8251264 is about 202.0723199534.

It can be divided in two parts, 8251 and 264, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 8251264 in words is "eight million, two hundred fifty-one thousand, two hundred sixty-four".