801954581 has 8 divisors (see below), whose sum is σ = 816614400. Its totient is φ = 787425408.

The previous prime is 801954563. The next prime is 801954589. The reversal of 801954581 is 185459108.

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 801954581 - 2¹⁴ = 801938197 is a prime.

It is a super-2 number, since 2×801954581² = 1286262299973771122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801954589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20231 + ... + 44868.

It is an arithmetic number, because the mean of its divisors is an integer number (102076800).

Almost surely, 2^801954581 is an apocalyptic number.

It is an amenable number.

801954581 is a deficient number, since it is larger than the sum of its proper divisors (14659819).

801954581 is a wasteful number, since it uses less digits than its factorization.

801954581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65323.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 801954581 is about 28318.8026053363. The cubic root of 801954581 is about 929.0731819514.

The spelling of 801954581 in words is "eight hundred one million, nine hundred fifty-four thousand, five hundred eighty-one".