8712251 has 4 divisors (see below), whose sum is σ = 8738904. Its totient is φ = 8685600.

The previous prime is 8712233. The next prime is 8712257. The reversal of 8712251 is 1522178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8712251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8712251.

It is not an unprimeable number, because it can be changed into a prime (8712257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12830 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (2184726).

Almost surely, 2^8712251 is an apocalyptic number.

8712251 is a deficient number, since it is larger than the sum of its proper divisors (26653).

8712251 is a wasteful number, since it uses less digits than its factorization.

8712251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26652.

The product of its digits is 1120, while the sum is 26.

The square root of 8712251 is about 2951.6522491649. The cubic root of 8712251 is about 205.7675056353.

The spelling of 8712251 in words is "eight million, seven hundred twelve thousand, two hundred fifty-one".