1542193 has 2 divisors, whose sum is σ = 1542194. Its totient is φ = 1542192.

The previous prime is 1542187. The next prime is 1542217. The reversal of 1542193 is 3912451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1520289 + 21904 = 1233^2 + 148^2 .

It is an emirp because it is prime and its reverse (3912451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1542193 - 2⁹ = 1541681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1540193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771096 + 771097.

It is an arithmetic number, because the mean of its divisors is an integer number (771097).

2^1542193 is an apocalyptic number.

It is an amenable number.

1542193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542193 is an equidigital number, since it uses as much as digits as its factorization.

1542193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 1542193 is about 1241.8506351410. The cubic root of 1542193 is about 115.5348245533.

It can be divided in two parts, 1542 and 193, that multiplied together give a triangular number (297606 = T₇₇₁).

The spelling of 1542193 in words is "one million, five hundred forty-two thousand, one hundred ninety-three".