542141252 has 6 divisors (see below), whose sum is σ = 948747198. Its totient is φ = 271070624.

The previous prime is 542141251. The next prime is 542141261. The reversal of 542141252 is 252141245.

It can be written as a sum of positive squares in only one way, i.e., 289204036 + 252937216 = 17006^2 + 15904^2 .

It is not an unprimeable number, because it can be changed into a prime (542141251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67767653 + ... + 67767660.

It is an arithmetic number, because the mean of its divisors is an integer number (158124533).

Almost surely, 2^542141252 is an apocalyptic number.

It is an amenable number.

542141252 is a deficient number, since it is larger than the sum of its proper divisors (406605946).

542141252 is a wasteful number, since it uses less digits than its factorization.

542141252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135535317 (or 135535315 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 542141252 is about 23283.9269024793. The cubic root of 542141252 is about 815.4002084274.

Adding to 542141252 its reverse (252141245), we get a palindrome (794282497).

The spelling of 542141252 in words is "five hundred forty-two million, one hundred forty-one thousand, two hundred fifty-two".