1052542 has 4 divisors (see below), whose sum is σ = 1578816. Its totient is φ = 526270.

The previous prime is 1052537. The next prime is 1052551. The reversal of 1052542 is 2452501.

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

It is a super-2 number, since 2×1052542² = 2215689323528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263134 + ... + 263137.

It is an arithmetic number, because the mean of its divisors is an integer number (394704).

2^1052542 is an apocalyptic number.

1052542 is a deficient number, since it is larger than the sum of its proper divisors (526274).

1052542 is an equidigital number, since it uses as much as digits as its factorization.

1052542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526273.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1052542 is about 1025.9346957775. The cubic root of 1052542 is about 101.7215911529.

The spelling of 1052542 in words is "one million, fifty-two thousand, five hundred forty-two".