80352621 has 8 divisors (see below), whose sum is σ = 119040960. Its totient is φ = 53568396.

The previous prime is 80352619. The next prime is 80352647. The reversal of 80352621 is 12625308.

80352621 is a `hidden beast` number, since 8 + 0 + 35 + 2 + 621 = 666.

It is not a de Polignac number, because 80352621 - 2¹ = 80352619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2976023 = 80352621 / (8 + 0 + 3 + 5 + 2 + 6 + 2 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80352821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487985 + ... + 1488038.

It is an arithmetic number, because the mean of its divisors is an integer number (14880120).

Almost surely, 2^80352621 is an apocalyptic number.

It is an amenable number.

80352621 is a deficient number, since it is larger than the sum of its proper divisors (38688339).

80352621 is a wasteful number, since it uses less digits than its factorization.

80352621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976032 (or 2976026 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 80352621 is about 8963.9623493185. The cubic root of 80352621 is about 431.5190925475.

Adding to 80352621 its reverse (12625308), we get a palindrome (92977929).

The spelling of 80352621 in words is "eighty million, three hundred fifty-two thousand, six hundred twenty-one".