80253545 has 4 divisors (see below), whose sum is σ = 96304260. Its totient is φ = 64202832.

The previous prime is 80253541. The next prime is 80253553. The reversal of 80253545 is 54535208.

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 22250089 + 58003456 = 4717^2 + 7616^2 .

It is a cyclic number.

It is not a de Polignac number, because 80253545 - 2² = 80253541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80253541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8025350 + ... + 8025359.

It is an arithmetic number, because the mean of its divisors is an integer number (24076065).

Almost surely, 2^80253545 is an apocalyptic number.

It is an amenable number.

80253545 is a deficient number, since it is larger than the sum of its proper divisors (16050715).

80253545 is a wasteful number, since it uses less digits than its factorization.

80253545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16050714.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 80253545 is about 8958.4342940047. The cubic root of 80253545 is about 431.3416630751.

The spelling of 80253545 in words is "eighty million, two hundred fifty-three thousand, five hundred forty-five".