542326541 has 4 divisors (see below), whose sum is σ = 545052000. Its totient is φ = 539601084.

The previous prime is 542326531. The next prime is 542326559. The reversal of 542326541 is 145623245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145623245 = 5 ⋅29124649.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542326541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542326498 and 542326507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542326511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362431 + ... + 1362828.

It is an arithmetic number, because the mean of its divisors is an integer number (136263000).

Almost surely, 2^542326541 is an apocalyptic number.

It is an amenable number.

542326541 is a deficient number, since it is larger than the sum of its proper divisors (2725459).

542326541 is a wasteful number, since it uses less digits than its factorization.

542326541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725458.

The product of its digits is 28800, while the sum is 32.

The square root of 542326541 is about 23287.9054661427. The cubic root of 542326541 is about 815.4930916503.

Adding to 542326541 its reverse (145623245), we get a palindrome (687949786).

The spelling of 542326541 in words is "five hundred forty-two million, three hundred twenty-six thousand, five hundred forty-one".