542843401 has 9 divisors (see below), whose sum is σ = 568032199. Its totient is φ = 518728936.

The previous prime is 542843383. The next prime is 542843407. The reversal of 542843401 is 104348245.

The square root of 542843401 is 23299.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1071225 + 541772176 = 1035^2 + 23276^2 .

It is not a de Polignac number, because 542843401 - 2¹⁵ = 542810633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542843407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 535371 + ... + 536383.

Almost surely, 2^542843401 is an apocalyptic number.

542843401 is the 23299-th square number.

542843401 is the 11650-th centered octagonal number.

It is an amenable number.

542843401 is a deficient number, since it is larger than the sum of its proper divisors (25188798).

542843401 is an frugal number, since it uses more digits than its factorization.

542843401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The cubic root of 542843401 is about 815.7520757969.

The spelling of 542843401 in words is "five hundred forty-two million, eight hundred forty-three thousand, four hundred one".