542434997 has 16 divisors (see below), whose sum is σ = 628678512. Its totient is φ = 463518720.

The previous prime is 542434939. The next prime is 542435011. The reversal of 542434997 is 799434245.

It can be written as a sum of positive squares in 8 ways, for example, as 24462916 + 517972081 = 4946^2 + 22759^2 .

It is a cyclic number.

It is not a de Polignac number, because 542434997 - 2¹⁰ = 542433973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542434927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6638 + ... + 33599.

It is an arithmetic number, because the mean of its divisors is an integer number (39292407).

Almost surely, 2^542434997 is an apocalyptic number.

It is an amenable number.

542434997 is a deficient number, since it is larger than the sum of its proper divisors (86243515).

542434997 is a wasteful number, since it uses less digits than its factorization.

542434997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40328.

The product of its digits is 1088640, while the sum is 47.

The square root of 542434997 is about 23290.2339404309. The cubic root of 542434997 is about 815.5474495675.

The spelling of 542434997 in words is "five hundred forty-two million, four hundred thirty-four thousand, nine hundred ninety-seven".