542522404 has 6 divisors (see below), whose sum is σ = 949414214. Its totient is φ = 271261200.

The previous prime is 542522399. The next prime is 542522417. The reversal of 542522404 is 404225245.

It can be written as a sum of positive squares in only one way, i.e., 440916004 + 101606400 = 20998^2 + 10080^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67815297 + ... + 67815304.

Almost surely, 2^542522404 is an apocalyptic number.

It is an amenable number.

542522404 is a deficient number, since it is larger than the sum of its proper divisors (406891810).

542522404 is a wasteful number, since it uses less digits than its factorization.

542522404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135630605 (or 135630603 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 542522404 is about 23292.1103380522. The cubic root of 542522404 is about 815.5912524980.

Adding to 542522404 its reverse (404225245), we get a palindrome (946747649).

The spelling of 542522404 in words is "five hundred forty-two million, five hundred twenty-two thousand, four hundred four".