1542451 has 2 divisors, whose sum is σ = 1542452. Its totient is φ = 1542450.

The previous prime is 1542433. The next prime is 1542473.

1542451 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (1542473) can be obtained adding 1542451 to its sum of digits (22).

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1542451 - 2¹¹ = 1540403 is a prime.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 771225 + 771226.

It is an arithmetic number, because the mean of its divisors is an integer number (771226).

2^1542451 is an apocalyptic number.

1542451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542451 is an equidigital number, since it uses as much as digits as its factorization.

1542451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800, while the sum is 22.

The square root of 1542451 is about 1241.9545080235. The cubic root of 1542451 is about 115.5412669641.

The spelling of 1542451 in words is "one million, five hundred forty-two thousand, four hundred fifty-one".