1542043213 has 2 divisors, whose sum is σ = 1542043214. Its totient is φ = 1542043212.

The previous prime is 1542043207. The next prime is 1542043219. The reversal of 1542043213 is 3123402451.

It is a balanced prime because it is at equal distance from previous prime (1542043207) and next prime (1542043219).

It can be written as a sum of positive squares in only one way, i.e., 1541897289 + 145924 = 39267^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542043213 - 2⁹ = 1542042701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542043219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771021606 + 771021607.

It is an arithmetic number, because the mean of its divisors is an integer number (771021607).

Almost surely, 2^1542043213 is an apocalyptic number.

It is an amenable number.

1542043213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542043213 is an equidigital number, since it uses as much as digits as its factorization.

1542043213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1542043213 is about 39268.8580557164. The cubic root of 1542043213 is about 1155.3108395463.

Adding to 1542043213 its reverse (3123402451), we get a palindrome (4665445664).

The spelling of 1542043213 in words is "one billion, five hundred forty-two million, forty-three thousand, two hundred thirteen".