1520775082 has 4 divisors (see below), whose sum is σ = 2281162626. Its totient is φ = 760387540.

The previous prime is 1520775077. The next prime is 1520775083. The reversal of 1520775082 is 2805770251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1096868161 + 423906921 = 33119^2 + 20589^2 .

It is not an unprimeable number, because it can be changed into a prime (1520775083) 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 as a sum of consecutive naturals, namely, 380193769 + ... + 380193772.

Almost surely, 2^1520775082 is an apocalyptic number.

1520775082 is a deficient number, since it is larger than the sum of its proper divisors (760387544).

1520775082 is an equidigital number, since it uses as much as digits as its factorization.

1520775082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760387543.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 1520775082 is about 38997.1163292877. The cubic root of 1520775082 is about 1149.9748153275.

The spelling of 1520775082 in words is "one billion, five hundred twenty million, seven hundred seventy-five thousand, eighty-two".