1542332425 has 6 divisors (see below), whose sum is σ = 1912492238. Its totient is φ = 1233865920.

The previous prime is 1542332423. The next prime is 1542332431. The reversal of 1542332425 is 5242332451.

It can be written as a sum of positive squares in 3 ways, for example, as 906304 + 1541426121 = 952^2 + 39261^2 .

It is not a de Polignac number, because 1542332425 - 2¹ = 1542332423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542332423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30846624 + ... + 30846673.

Almost surely, 2^1542332425 is an apocalyptic number.

It is an amenable number.

1542332425 is a deficient number, since it is larger than the sum of its proper divisors (370159813).

1542332425 is an equidigital number, since it uses as much as digits as its factorization.

1542332425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61693307 (or 61693302 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 1542332425 is about 39272.5403430947. The cubic root of 1542332425 is about 1155.3830616624.

Adding to 1542332425 its reverse (5242332451), we get a palindrome (6784664876).

The spelling of 1542332425 in words is "one billion, five hundred forty-two million, three hundred thirty-two thousand, four hundred twenty-five".