541436021 has 8 divisors (see below), whose sum is σ = 619308864. Its totient is φ = 463694400.

The previous prime is 541436017. The next prime is 541436033. The reversal of 541436021 is 120634145.

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 541436021 - 2² = 541436017 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 (541436041) 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, 23795 + ... + 40608.

It is an arithmetic number, because the mean of its divisors is an integer number (77413608).

Almost surely, 2^541436021 is an apocalyptic number.

It is an amenable number.

541436021 is a deficient number, since it is larger than the sum of its proper divisors (77872843).

541436021 is a wasteful number, since it uses less digits than its factorization.

541436021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65611.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 541436021 is about 23268.7778149176. Note that the first 3 decimals coincide. The cubic root of 541436021 is about 815.0464906296.

The spelling of 541436021 in words is "five hundred forty-one million, four hundred thirty-six thousand, twenty-one".