1535042 has 4 divisors (see below), whose sum is σ = 2302566. Its totient is φ = 767520.

The previous prime is 1535041. The next prime is 1535069. The reversal of 1535042 is 2405351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2405351 = 13 ⋅185027.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 516961 = 1009^2 + 719^2 .

It is not an unprimeable number, because it can be changed into a prime (1535041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383759 + ... + 383762.

2^1535042 is an apocalyptic number.

1535042 is a deficient number, since it is larger than the sum of its proper divisors (767524).

1535042 is an equidigital number, since it uses as much as digits as its factorization.

1535042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767523.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1535042 is about 1238.9681190410. The cubic root of 1535042 is about 115.3559732212.

The spelling of 1535042 in words is "one million, five hundred thirty-five thousand, forty-two".