1534321225 has 24 divisors (see below), whose sum is σ = 1923457248. Its totient is φ = 1214044800.

The previous prime is 1534321189. The next prime is 1534321249. The reversal of 1534321225 is 5221234351.

It is not a de Polignac number, because 1534321225 - 2⁹ = 1534320713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1534321193 and 1534321202.

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, 1187830 + ... + 1189120.

It is an arithmetic number, because the mean of its divisors is an integer number (80144052).

Almost surely, 2^1534321225 is an apocalyptic number.

It is an amenable number.

1534321225 is a deficient number, since it is larger than the sum of its proper divisors (389136023).

1534321225 is a wasteful number, since it uses less digits than its factorization.

1534321225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785 (or 1780 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 1534321225 is about 39170.4126222842. The cubic root of 1534321225 is about 1153.3791536160.

Adding to 1534321225 its reverse (5221234351), we get a palindrome (6755555576).

The spelling of 1534321225 in words is "one billion, five hundred thirty-four million, three hundred twenty-one thousand, two hundred twenty-five".