1075538 has 4 divisors (see below), whose sum is σ = 1613310. Its totient is φ = 537768.

The previous prime is 1075537. The next prime is 1075561. The reversal of 1075538 is 8355701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8355701 = 661 ⋅12641.

It can be written as a sum of positive squares in only one way, i.e., 1075369 + 169 = 1037^2 + 13^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1075538.

It is not an unprimeable number, because it can be changed into a prime (1075531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268883 + ... + 268886.

2^1075538 is an apocalyptic number.

1075538 is a deficient number, since it is larger than the sum of its proper divisors (537772).

1075538 is an equidigital number, since it uses as much as digits as its factorization.

1075538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537771.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1075538 is about 1037.0814818518. The cubic root of 1075538 is about 102.4570670881.

It can be divided in two parts, 1075 and 538, that multiplied together give a triangular number (578350 = T₁₀₇₅).

The spelling of 1075538 in words is "one million, seventy-five thousand, five hundred thirty-eight".