542618541 has 16 divisors (see below), whose sum is σ = 807493120. Its totient is φ = 360119520.

The previous prime is 542618537. The next prime is 542618543. The reversal of 542618541 is 145816245.

It is a happy number.

542618541 is a `hidden beast` number, since 54 + 2 + 61 + 8 + 541 = 666.

It is not a de Polignac number, because 542618541 - 2² = 542618537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542618496 and 542618505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542618543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39040 + ... + 51081.

It is an arithmetic number, because the mean of its divisors is an integer number (50468320).

Almost surely, 2^542618541 is an apocalyptic number.

It is an amenable number.

542618541 is a deficient number, since it is larger than the sum of its proper divisors (264874579).

542618541 is a wasteful number, since it uses less digits than its factorization.

542618541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90353 (or 90347 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 542618541 is about 23294.1739711886. The cubic root of 542618541 is about 815.6394249265.

The spelling of 542618541 in words is "five hundred forty-two million, six hundred eighteen thousand, five hundred forty-one".