542310540061 has 8 divisors (see below), whose sum is σ = 544350125880. Its totient is φ = 540274086912.

The previous prime is 542310540053. The next prime is 542310540077. The reversal of 542310540061 is 160045013245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4156251961 + 538154288100 = 64469^2 + 733590^2 .

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 542310540061 - 2³ = 542310540053 is a prime.

It is a super-2 number, since 2×542310540061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542310540041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436000 + ... + 1129033.

It is an arithmetic number, because the mean of its divisors is an integer number (68043765735).

Almost surely, 2^542310540061 is an apocalyptic number.

It is an amenable number.

542310540061 is a deficient number, since it is larger than the sum of its proper divisors (2039585819).

542310540061 is a wasteful number, since it uses less digits than its factorization.

542310540061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566335.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 542310540061 in words is "five hundred forty-two billion, three hundred ten million, five hundred forty thousand, sixty-one".