1520532036 has 81 divisors (see below), whose sum is σ = 3942429309. Its totient is φ = 494131968.

The previous prime is 1520532023. The next prime is 1520532061. The reversal of 1520532036 is 6302350251.

The square root of 1520532036 is 38994.

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., 682776900 + 837755136 = 26130^2 + 28944^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15675540 + ... + 15675636.

Almost surely, 2^1520532036 is an apocalyptic number.

1520532036 is the 38994-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1520532036

1520532036 is an abundant number, since it is smaller than the sum of its proper divisors (2421897273).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1520532036 is an equidigital number, since it uses as much as digits as its factorization.

1520532036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The cubic root of 1520532036 is about 1149.9135501492.

Adding to 1520532036 its reverse (6302350251), we get a palindrome (7822882287).

The spelling of 1520532036 in words is "one billion, five hundred twenty million, five hundred thirty-two thousand, thirty-six".