8512905249 has 32 divisors (see below), whose sum is σ = 12734346240. Its totient is φ = 5620358016.

The previous prime is 8512905223. The next prime is 8512905251. The reversal of 8512905249 is 9425092158.

It is a happy number.

8512905249 is a `hidden beast` number, since 8 + 512 + 90 + 5 + 2 + 49 = 666.

It is not a de Polignac number, because 8512905249 - 2¹⁵ = 8512872481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8512904249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1182549 + ... + 1189725.

It is an arithmetic number, because the mean of its divisors is an integer number (397948320).

Almost surely, 2^8512905249 is an apocalyptic number.

It is an amenable number.

8512905249 is a deficient number, since it is larger than the sum of its proper divisors (4221440991).

8512905249 is a wasteful number, since it uses less digits than its factorization.

8512905249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606 (or 7600 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 8512905249 is about 92265.4065671419. The cubic root of 8512905249 is about 2041.8598674254.

The spelling of 8512905249 in words is "eight billion, five hundred twelve million, nine hundred five thousand, two hundred forty-nine".