1542031 has 2 divisors, whose sum is σ = 1542032. Its totient is φ = 1542030.

The previous prime is 1542029. The next prime is 1542041. The reversal of 1542031 is 1302451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1542031 - 2¹ = 1542029 is a prime.

It is a super-2 number, since 2×1542031² = 4755719209922, which contains 22 as substring.

Together with 1542029, it forms a pair of twin primes.

1542031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1541996 and 1542014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771015 + 771016.

It is an arithmetic number, because the mean of its divisors is an integer number (771016).

2^1542031 is an apocalyptic number.

1542031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542031 is an equidigital number, since it uses as much as digits as its factorization.

1542031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1542031 is about 1241.7854081926. The cubic root of 1542031 is about 115.5307789513.

Adding to 1542031 its reverse (1302451), we get a palindrome (2844482).

It can be divided in two parts, 15420 and 31, that added together give a palindrome (15451).

The spelling of 1542031 in words is "one million, five hundred forty-two thousand, thirty-one".