1534243225 has 24 divisors (see below), whose sum is σ = 1953749952. Its totient is φ = 1194513600.

The previous prime is 1534243187. The next prime is 1534243237. The reversal of 1534243225 is 5223424351.

It is not a de Polignac number, because 1534243225 - 2⁷ = 1534243097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 312540 + ... + 317410.

It is an arithmetic number, because the mean of its divisors is an integer number (81406248).

Almost surely, 2^1534243225 is an apocalyptic number.

It is an amenable number.

1534243225 is a deficient number, since it is larger than the sum of its proper divisors (419506727).

1534243225 is a wasteful number, since it uses less digits than its factorization.

1534243225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217 (or 5212 counting only the distinct ones).

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

The square root of 1534243225 is about 39169.4169601744. The cubic root of 1534243225 is about 1153.3596085783.

Adding to 1534243225 its reverse (5223424351), we get a palindrome (6757667576).

The spelling of 1534243225 in words is "one billion, five hundred thirty-four million, two hundred forty-three thousand, two hundred twenty-five".