8051247 has 12 divisors (see below), whose sum is σ = 11699064. Its totient is φ = 5335440.

The previous prime is 8051221. The next prime is 8051257. The reversal of 8051247 is 7421508.

It is not a de Polignac number, because 8051247 - 2¹⁶ = 7985711 is a prime.

8051247 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8051247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8051257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1029 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (974922).

Almost surely, 2^8051247 is an apocalyptic number.

8051247 is a deficient number, since it is larger than the sum of its proper divisors (3647817).

8051247 is a wasteful number, since it uses less digits than its factorization.

8051247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350 (or 5347 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 8051247 is about 2837.4719381872. The cubic root of 8051247 is about 200.4261496707.

The spelling of 8051247 in words is "eight million, fifty-one thousand, two hundred forty-seven".