1542525343 has 2 divisors, whose sum is σ = 1542525344. Its totient is φ = 1542525342.

The previous prime is 1542525319. The next prime is 1542525401. The reversal of 1542525343 is 3435252451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1542525343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542525299 and 1542525308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542525143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771262671 + 771262672.

It is an arithmetic number, because the mean of its divisors is an integer number (771262672).

Almost surely, 2^1542525343 is an apocalyptic number.

1542525343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542525343 is an equidigital number, since it uses as much as digits as its factorization.

1542525343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 34.

The square root of 1542525343 is about 39274.9964099298. The cubic root of 1542525343 is about 1155.4312321894.

Adding to 1542525343 its reverse (3435252451), we get a palindrome (4977777794).

The spelling of 1542525343 in words is "one billion, five hundred forty-two million, five hundred twenty-five thousand, three hundred forty-three".