1542422425 has 12 divisors (see below), whose sum is σ = 1931176000. Its totient is φ = 1221955920.

The previous prime is 1542422423. The next prime is 1542422443. The reversal of 1542422425 is 5242242451.

It is not a de Polignac number, because 1542422425 - 2¹ = 1542422423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1542422423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296925 + ... + 302074.

Almost surely, 2^1542422425 is an apocalyptic number.

It is an amenable number.

1542422425 is a deficient number, since it is larger than the sum of its proper divisors (388753575).

1542422425 is a wasteful number, since it uses less digits than its factorization.

1542422425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599112 (or 599107 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 1542422425 is about 39273.6861651666. The cubic root of 1542422425 is about 1155.4055346502.

Adding to 1542422425 its reverse (5242242451), we get a palindrome (6784664876).

The spelling of 1542422425 in words is "one billion, five hundred forty-two million, four hundred twenty-two thousand, four hundred twenty-five".