542151941 has 4 divisors (see below), whose sum is σ = 547519884. Its totient is φ = 536784000.

The previous prime is 542151923. The next prime is 542151943. The reversal of 542151941 is 149151245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 516243841 + 25908100 = 22721^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 542151941 - 2¹⁴ = 542135557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542151898 and 542151907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542151943) 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, 2683820 + ... + 2684021.

It is an arithmetic number, because the mean of its divisors is an integer number (136879971).

Almost surely, 2^542151941 is an apocalyptic number.

It is an amenable number.

542151941 is a deficient number, since it is larger than the sum of its proper divisors (5367943).

542151941 is a wasteful number, since it uses less digits than its factorization.

542151941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367942.

The product of its digits is 7200, while the sum is 32.

The square root of 542151941 is about 23284.1564373717. The cubic root of 542151941 is about 815.4055672741.

The spelling of 542151941 in words is "five hundred forty-two million, one hundred fifty-one thousand, nine hundred forty-one".