542225012321 has 2 divisors, whose sum is σ = 542225012322. Its totient is φ = 542225012320.

The previous prime is 542225012267. The next prime is 542225012333. The reversal of 542225012321 is 123210522245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474632812096 + 67592200225 = 688936^2 + 259985^2 .

It is a cyclic number.

It is not a de Polignac number, because 542225012321 - 2³⁰ = 541151270497 is a prime.

It is not a weakly prime, because it can be changed into another prime (542224012321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271112506160 + 271112506161.

It is an arithmetic number, because the mean of its divisors is an integer number (271112506161).

Almost surely, 2^542225012321 is an apocalyptic number.

It is an amenable number.

542225012321 is a deficient number, since it is larger than the sum of its proper divisors (1).

542225012321 is an equidigital number, since it uses as much as digits as its factorization.

542225012321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 542225012321 its reverse (123210522245), we get a palindrome (665435534566).

The spelling of 542225012321 in words is "five hundred forty-two billion, two hundred twenty-five million, twelve thousand, three hundred twenty-one".