1542463903 has 2 divisors, whose sum is σ = 1542463904. Its totient is φ = 1542463902.

The previous prime is 1542463891. The next prime is 1542464039. The reversal of 1542463903 is 3093642451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1542463903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542463103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771231951 + 771231952.

It is an arithmetic number, because the mean of its divisors is an integer number (771231952).

Almost surely, 2^1542463903 is an apocalyptic number.

1542463903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542463903 is an equidigital number, since it uses as much as digits as its factorization.

1542463903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1542463903 is about 39274.2142251121. The cubic root of 1542463903 is about 1155.4158914068.

The spelling of 1542463903 in words is "one billion, five hundred forty-two million, four hundred sixty-three thousand, nine hundred three".