542401401 has 4 divisors (see below), whose sum is σ = 723201872. Its totient is φ = 361600932.

The previous prime is 542401393. The next prime is 542401421. The reversal of 542401401 is 104104245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 542401401 - 2³ = 542401393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542401421) 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, 90400231 + ... + 90400236.

It is an arithmetic number, because the mean of its divisors is an integer number (180800468).

Almost surely, 2^542401401 is an apocalyptic number.

It is an amenable number.

542401401 is a deficient number, since it is larger than the sum of its proper divisors (180800471).

542401401 is a wasteful number, since it uses less digits than its factorization.

542401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180800470.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 542401401 is about 23289.5126827506. The cubic root of 542401401 is about 815.5306120982.

Adding to 542401401 its reverse (104104245), we get a palindrome (646505646).

The spelling of 542401401 in words is "five hundred forty-two million, four hundred one thousand, four hundred one".