542631635 has 24 divisors (see below), whose sum is σ = 815741136. Its totient is φ = 343465920.

The previous prime is 542631613. The next prime is 542631641. The reversal of 542631635 is 536136245.

It is not a de Polignac number, because 542631635 - 2¹⁶ = 542566099 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 542631595 and 542631604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82001 + ... + 88370.

It is an arithmetic number, because the mean of its divisors is an integer number (33989214).

Almost surely, 2^542631635 is an apocalyptic number.

542631635 is a deficient number, since it is larger than the sum of its proper divisors (273109501).

542631635 is a wasteful number, since it uses less digits than its factorization.

542631635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170403 (or 170396 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 542631635 is about 23294.4550268943. The cubic root of 542631635 is about 815.6459856415.

The spelling of 542631635 in words is "five hundred forty-two million, six hundred thirty-one thousand, six hundred thirty-five".