8626249 has 2 divisors, whose sum is σ = 8626250. Its totient is φ = 8626248.

The previous prime is 8626243. The next prime is 8626271. The reversal of 8626249 is 9426268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5760000 + 2866249 = 2400^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 8626249 - 2¹¹ = 8624201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8626243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4313124 + 4313125.

It is an arithmetic number, because the mean of its divisors is an integer number (4313125).

Almost surely, 2^8626249 is an apocalyptic number.

It is an amenable number.

8626249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8626249 is an equidigital number, since it uses as much as digits as its factorization.

8626249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 8626249 is about 2937.0476673013. The cubic root of 8626249 is about 205.0881952457.

It can be divided in two parts, 86 and 26249, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 8626249 in words is "eight million, six hundred twenty-six thousand, two hundred forty-nine".