375642543 has 4 divisors (see below), whose sum is σ = 500856728. Its totient is φ = 250428360.

The previous prime is 375642499. The next prime is 375642569. The reversal of 375642543 is 345246573.

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

It is not a de Polignac number, because 375642543 - 2¹⁴ = 375626159 is a prime.

It is a super-2 number, since 2×375642543² = 282214640223013698, which contains 22 as substring.

It is the 19382-nd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375642343) by changing a digit.

It is a nontrivial repunit in base 19381.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62607088 + ... + 62607093.

It is an arithmetic number, because the mean of its divisors is an integer number (125214182).

Almost surely, 2^375642543 is an apocalyptic number.

375642543 is a deficient number, since it is larger than the sum of its proper divisors (125214185).

375642543 is a wasteful number, since it uses less digits than its factorization.

375642543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125214184.

The product of its digits is 302400, while the sum is 39.

The square root of 375642543 is about 19381.5000193483. The cubic root of 375642543 is about 721.5364200784.

The spelling of 375642543 in words is "three hundred seventy-five million, six hundred forty-two thousand, five hundred forty-three".