801355549 has 8 divisors (see below), whose sum is σ = 831992832. Its totient is φ = 771017520.

The previous prime is 801355531. The next prime is 801355561. The reversal of 801355549 is 945553108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 801355549 - 2¹³ = 801347357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801355349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69349 + ... + 80074.

It is an arithmetic number, because the mean of its divisors is an integer number (103999104).

Almost surely, 2^801355549 is an apocalyptic number.

It is an amenable number.

801355549 is a deficient number, since it is larger than the sum of its proper divisors (30637283).

801355549 is a wasteful number, since it uses less digits than its factorization.

801355549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149627.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 801355549 is about 28308.2240523845. The cubic root of 801355549 is about 928.8417959477.

The spelling of 801355549 in words is "eight hundred one million, three hundred fifty-five thousand, five hundred forty-nine".