80620153 has 4 divisors (see below), whose sum is σ = 81038068. Its totient is φ = 80202240.

The previous prime is 80620147. The next prime is 80620157. The reversal of 80620153 is 35102608.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46607929 + 34012224 = 6827^2 + 5832^2 .

It is a cyclic number.

It is not a de Polignac number, because 80620153 - 2⁵ = 80620121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80620157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208668 + ... + 209053.

It is an arithmetic number, because the mean of its divisors is an integer number (20259517).

Almost surely, 2^80620153 is an apocalyptic number.

It is an amenable number.

80620153 is a deficient number, since it is larger than the sum of its proper divisors (417915).

80620153 is a wasteful number, since it uses less digits than its factorization.

80620153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417914.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 80620153 is about 8978.8725906987. The cubic root of 80620153 is about 431.9974726218.

The spelling of 80620153 in words is "eighty million, six hundred twenty thousand, one hundred fifty-three".