1520053002 has 48 divisors (see below), whose sum is σ = 3570676200. Its totient is φ = 464558976.

The previous prime is 1520052997. The next prime is 1520053019. The reversal of 1520053002 is 2003500251.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 248346081 + 1271706921 = 15759^2 + 35661^2 .

It is a super-2 number, since 2×1520053002² = 4621122257778424008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13068 + ... + 56664.

Almost surely, 2^1520053002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1520053002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785338100).

1520053002 is an abundant number, since it is smaller than the sum of its proper divisors (2050623198).

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

1520053002 is a wasteful number, since it uses less digits than its factorization.

1520053002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43767 (or 43764 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1520053002 is about 38987.8571096181. The cubic root of 1520053002 is about 1149.7927798022.

Adding to 1520053002 its reverse (2003500251), we get a palindrome (3523553253).

The spelling of 1520053002 in words is "one billion, five hundred twenty million, fifty-three thousand, two".