1542427 has 4 divisors (see below), whose sum is σ = 1633176. Its totient is φ = 1451680.

The previous prime is 1542421. The next prime is 1542433. The reversal of 1542427 is 7242451.

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

It is an interprime number because it is at equal distance from previous prime (1542421) and next prime (1542433).

It is a cyclic number.

It is not a de Polignac number, because 1542427 - 2¹⁵ = 1509659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542421) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 45349 + ... + 45382.

It is an arithmetic number, because the mean of its divisors is an integer number (408294).

2^1542427 is an apocalyptic number.

1542427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1542427 is a deficient number, since it is larger than the sum of its proper divisors (90749).

1542427 is an equidigital number, since it uses as much as digits as its factorization.

1542427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90748.

The product of its digits is 2240, while the sum is 25.

The square root of 1542427 is about 1241.9448457963. The cubic root of 1542427 is about 115.5406677004.

Adding to 1542427 its reverse (7242451), we get a palindrome (8784878).

It can be divided in two parts, 15424 and 27, that added together give a palindrome (15451).

The spelling of 1542427 in words is "one million, five hundred forty-two thousand, four hundred twenty-seven".