1535505325 has 6 divisors (see below), whose sum is σ = 1904026634. Its totient is φ = 1228404240.

The previous prime is 1535505317. The next prime is 1535505329. The reversal of 1535505325 is 5235055351.

It can be written as a sum of positive squares in 3 ways, for example, as 156200004 + 1379305321 = 12498^2 + 37139^2 .

It is not a de Polignac number, because 1535505325 - 2³ = 1535505317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535505329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30710082 + ... + 30710131.

Almost surely, 2^1535505325 is an apocalyptic number.

It is an amenable number.

1535505325 is a deficient number, since it is larger than the sum of its proper divisors (368521309).

1535505325 is an equidigital number, since it uses as much as digits as its factorization.

1535505325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61420223 (or 61420218 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 34.

The square root of 1535505325 is about 39185.5244318613. The cubic root of 1535505325 is about 1153.6757810013.

The spelling of 1535505325 in words is "one billion, five hundred thirty-five million, five hundred five thousand, three hundred twenty-five".