1542259 has 2 divisors, whose sum is σ = 1542260. Its totient is φ = 1542258.

The previous prime is 1542251. The next prime is 1542283. The reversal of 1542259 is 9522451.

It is a weak prime.

It is an emirp because it is prime and its reverse (9522451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1542259 - 2³ = 1542251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1542251) 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, 771129 + 771130.

It is an arithmetic number, because the mean of its divisors is an integer number (771130).

2^1542259 is an apocalyptic number.

1542259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542259 is an equidigital number, since it uses as much as digits as its factorization.

1542259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 1542259 is about 1241.8772081007. The cubic root of 1542259 is about 115.5364726802.

The spelling of 1542259 in words is "one million, five hundred forty-two thousand, two hundred fifty-nine".