1520035530 has 64 divisors (see below), whose sum is σ = 4135501440. Its totient is φ = 354468096.

The previous prime is 1520035519. The next prime is 1520035541. The reversal of 1520035530 is 355300251.

It is an interprime number because it is at equal distance from previous prime (1520035519) and next prime (1520035541).

It is a self number, because there is not a number n which added to its sum of digits gives 1520035530.

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 31 ways as a sum of consecutive naturals, for example, 95157 + ... + 109976.

It is an arithmetic number, because the mean of its divisors is an integer number (64617210).

Almost surely, 2^1520035530 is an apocalyptic number.

1520035530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520035530 is an abundant number, since it is smaller than the sum of its proper divisors (2615465910).

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

1520035530 is a wasteful number, since it uses less digits than its factorization.

1520035530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205175.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 1520035530 is about 38987.6330392087. The cubic root of 1520035530 is about 1149.7883744171.

Adding to 1520035530 its reverse (355300251), we get a palindrome (1875335781).

The spelling of 1520035530 in words is "one billion, five hundred twenty million, thirty-five thousand, five hundred thirty".