1529983225 has 9 divisors (see below), whose sum is σ = 1897421743. Its totient is φ = 1223830120.

The previous prime is 1529983223. The next prime is 1529983229. The reversal of 1529983225 is 5223899251.

The square root of 1529983225 is 39115.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 550793961 + 979189264 = 23469^2 + 31292^2 .

It is not a de Polignac number, because 1529983225 - 2¹ = 1529983223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1529983223) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 191664 + ... + 199486.

Almost surely, 2^1529983225 is an apocalyptic number.

1529983225 is the 39115-th square number.

1529983225 is the 19558-th centered octagonal number.

It is an amenable number.

1529983225 is a deficient number, since it is larger than the sum of its proper divisors (367438518).

1529983225 is an frugal number, since it uses more digits than its factorization.

1529983225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15656 (or 7828 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The cubic root of 1529983225 is about 1152.2911412202.

The spelling of 1529983225 in words is "one billion, five hundred twenty-nine million, nine hundred eighty-three thousand, two hundred twenty-five".