542225051 has 4 divisors (see below), whose sum is σ = 544950000. Its totient is φ = 539500104.

The previous prime is 542225017. The next prime is 542225071. The reversal of 542225051 is 150522245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150522245 = 5 ⋅30104449.

It is a cyclic number.

It is not a de Polignac number, because 542225051 - 2⁶ = 542224987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542225051.

It is not an unprimeable number, because it can be changed into a prime (542225011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362176 + ... + 1362573.

It is an arithmetic number, because the mean of its divisors is an integer number (136237500).

Almost surely, 2^542225051 is an apocalyptic number.

542225051 is a deficient number, since it is larger than the sum of its proper divisors (2724949).

542225051 is a wasteful number, since it uses less digits than its factorization.

542225051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724948.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 542225051 is about 23285.7263361056. The cubic root of 542225051 is about 815.4422185134.

Adding to 542225051 its reverse (150522245), we get a palindrome (692747296).

The spelling of 542225051 in words is "five hundred forty-two million, two hundred twenty-five thousand, fifty-one".