84511249 has 9 divisors (see below), whose sum is σ = 87802897. Its totient is φ = 81339664.

The previous prime is 84511247. The next prime is 84511279. The reversal of 84511249 is 94211548.

It is a happy number.

The square root of 84511249 is 9193.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 21022225 + 63489024 = 4585^2 + 7968^2 .

It is not a de Polignac number, because 84511249 - 2¹ = 84511247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84511241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 266439 + ... + 266755.

Almost surely, 2^84511249 is an apocalyptic number.

84511249 is the 9193-rd square number.

84511249 is the 4597-th centered octagonal number.

It is an amenable number.

84511249 is a deficient number, since it is larger than the sum of its proper divisors (3291648).

84511249 is an frugal number, since it uses more digits than its factorization.

84511249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 346 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The cubic root of 84511249 is about 438.8386193939.

The spelling of 84511249 in words is "eighty-four million, five hundred eleven thousand, two hundred forty-nine".