80522649 has 12 divisors (see below), whose sum is σ = 116539696. Its totient is φ = 53575992.

The previous prime is 80522641. The next prime is 80522653. The reversal of 80522649 is 94622508.

It is a happy number.

80522649 is a `hidden beast` number, since 8 + 0 + 5 + 2 + 2 + 649 = 666.

It is not a de Polignac number, because 80522649 - 2³ = 80522641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80522641) 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, 3847 + ... + 13260.

Almost surely, 2^80522649 is an apocalyptic number.

It is an amenable number.

80522649 is a deficient number, since it is larger than the sum of its proper divisors (36017047).

80522649 is a wasteful number, since it uses less digits than its factorization.

80522649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17636 (or 17633 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 80522649 is about 8973.4413131195. The cubic root of 80522649 is about 431.8232462349.

It can be divided in two parts, 8052 and 2649, that added together give a palindrome (10701).

The spelling of 80522649 in words is "eighty million, five hundred twenty-two thousand, six hundred forty-nine".