1520052530 has 16 divisors (see below), whose sum is σ = 2741675904. Its totient is φ = 606780720.

The previous prime is 1520052503. The next prime is 1520052539. The reversal of 1520052530 is 352500251.

It is a junction number, because it is equal to n+sod(n) for n = 1520052496 and 1520052505.

It is not an unprimeable number, because it can be changed into a prime (1520052539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149882 + ... + 159701.

It is an arithmetic number, because the mean of its divisors is an integer number (171354744).

Almost surely, 2^1520052530 is an apocalyptic number.

1520052530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520052530 is a deficient number, since it is larger than the sum of its proper divisors (1221623374).

1520052530 is a wasteful number, since it uses less digits than its factorization.

1520052530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310081.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1520052530 is about 38987.8510564509. The cubic root of 1520052530 is about 1149.7926607927.

Adding to 1520052530 its reverse (352500251), we get a palindrome (1872552781).

The spelling of 1520052530 in words is "one billion, five hundred twenty million, fifty-two thousand, five hundred thirty".