801547641 has 6 divisors (see below), whose sum is σ = 1157791050. Its totient is φ = 534365088.

The previous prime is 801547633. The next prime is 801547697. The reversal of 801547641 is 146745108.

It is a happy number.

801547641 is a `hidden beast` number, since 8 + 0 + 1 + 5 + 4 + 7 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 447957225 + 353590416 = 21165^2 + 18804^2 .

It is not a de Polignac number, because 801547641 - 2³ = 801547633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801547596 and 801547605.

It is not an unprimeable number, because it can be changed into a prime (801547601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44530416 + ... + 44530433.

It is an arithmetic number, because the mean of its divisors is an integer number (192965175).

Almost surely, 2^801547641 is an apocalyptic number.

It is an amenable number.

801547641 is a deficient number, since it is larger than the sum of its proper divisors (356243409).

801547641 is a wasteful number, since it uses less digits than its factorization.

801547641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89060855 (or 89060852 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 801547641 is about 28311.6167146986. The cubic root of 801547641 is about 928.9160072113.

The spelling of 801547641 in words is "eight hundred one million, five hundred forty-seven thousand, six hundred forty-one".