542004631 has 24 divisors (see below), whose sum is σ = 639830016. Its totient is φ = 457758000.

The previous prime is 542004629. The next prime is 542004641. The reversal of 542004631 is 136400245.

It is not a de Polignac number, because 542004631 - 2¹ = 542004629 is a prime.

It is a super-2 number, since 2×542004631² = 587538040050892322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542004596 and 542004605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542004641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1561800 + ... + 1562146.

It is an arithmetic number, because the mean of its divisors is an integer number (26659584).

Almost surely, 2^542004631 is an apocalyptic number.

542004631 is a deficient number, since it is larger than the sum of its proper divisors (97825385).

542004631 is a wasteful number, since it uses less digits than its factorization.

542004631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 542004631 is about 23280.9929126745. The cubic root of 542004631 is about 815.3317083514.

Adding to 542004631 its reverse (136400245), we get a palindrome (678404876).

The spelling of 542004631 in words is "five hundred forty-two million, four thousand, six hundred thirty-one".