542352631 has 4 divisors (see below), whose sum is σ = 543907000. Its totient is φ = 540798264.

The previous prime is 542352619. The next prime is 542352641. The reversal of 542352631 is 136253245.

It is a happy number.

542352631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542352631 - 2¹⁵ = 542319863 is a prime.

It is a super-2 number, since 2×542352631² = 588292752705244322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542352593 and 542352602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542352641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776661 + ... + 777358.

It is an arithmetic number, because the mean of its divisors is an integer number (135976750).

Almost surely, 2^542352631 is an apocalyptic number.

542352631 is a deficient number, since it is larger than the sum of its proper divisors (1554369).

542352631 is a wasteful number, since it uses less digits than its factorization.

542352631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554368.

The product of its digits is 21600, while the sum is 31.

The square root of 542352631 is about 23288.4656214187. The cubic root of 542352631 is about 815.5061685649.

The spelling of 542352631 in words is "five hundred forty-two million, three hundred fifty-two thousand, six hundred thirty-one".