1075542431 has 4 divisors (see below), whose sum is σ = 1079541000. Its totient is φ = 1071543864.

The previous prime is 1075542421. The next prime is 1075542437. The reversal of 1075542431 is 1342455701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342455701 = 577 ⋅2326613.

It is a cyclic number.

It is not a de Polignac number, because 1075542431 - 2¹⁴ = 1075526047 is a prime.

It is a super-2 number, since 2×1075542431² = 2313583041762779522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075542437) 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, 1998881 + ... + 1999418.

It is an arithmetic number, because the mean of its divisors is an integer number (269885250).

Almost surely, 2^1075542431 is an apocalyptic number.

1075542431 is a deficient number, since it is larger than the sum of its proper divisors (3998569).

1075542431 is an equidigital number, since it uses as much as digits as its factorization.

1075542431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998568.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1075542431 is about 32795.4635734883. The cubic root of 1075542431 is about 1024.5720778878.

The spelling of 1075542431 in words is "one billion, seventy-five million, five hundred forty-two thousand, four hundred thirty-one".