1562542 has 4 divisors (see below), whose sum is σ = 2343816. Its totient is φ = 781270.

The previous prime is 1562531. The next prime is 1562543. The reversal of 1562542 is 2452651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2452651 = 23 ⋅106637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1562543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390634 + ... + 390637.

It is an arithmetic number, because the mean of its divisors is an integer number (585954).

2^1562542 is an apocalyptic number.

1562542 is a deficient number, since it is larger than the sum of its proper divisors (781274).

1562542 is an equidigital number, since it uses as much as digits as its factorization.

1562542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781273.

The product of its digits is 2400, while the sum is 25.

The square root of 1562542 is about 1250.0167998871. The cubic root of 1562542 is about 116.0407605469.

The spelling of 1562542 in words is "one million, five hundred sixty-two thousand, five hundred forty-two".