647427541 has 8 divisors (see below), whose sum is σ = 686689920. Its totient is φ = 608296128.

The previous prime is 647427533. The next prime is 647427551. The reversal of 647427541 is 145724746.

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 647427541 - 2³ = 647427533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 647427494 and 647427503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647427551) 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, 22461 + ... + 42418.

It is an arithmetic number, because the mean of its divisors is an integer number (85836240).

Almost surely, 2^647427541 is an apocalyptic number.

It is an amenable number.

647427541 is a deficient number, since it is larger than the sum of its proper divisors (39262379).

647427541 is a wasteful number, since it uses less digits than its factorization.

647427541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65483.

The product of its digits is 188160, while the sum is 40.

The square root of 647427541 is about 25444.5974815873. The cubic root of 647427541 is about 865.0948434212.

The spelling of 647427541 in words is "six hundred forty-seven million, four hundred twenty-seven thousand, five hundred forty-one".