1006502500 has 30 divisors (see below), whose sum is σ = 2201025134. Its totient is φ = 402600000.

The previous prime is 1006502473. The next prime is 1006502521. The reversal of 1006502500 is 52056001.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 203233536 + 803268964 = 14256^2 + 28342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 198801 + ... + 203800.

Almost surely, 2^1006502500 is an apocalyptic number.

1006502500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1006502500 is an abundant number, since it is smaller than the sum of its proper divisors (1194522634).

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

1006502500 is an equidigital number, since it uses as much as digits as its factorization.

1006502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402625 (or 402608 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1006502500 is about 31725.4235590323. The cubic root of 1006502500 is about 1002.1628188423.

Adding to 1006502500 its reverse (52056001), we get a palindrome (1058558501).

It can be divided in two parts, 1006 and 502500, that added together give a triangular number (503506 = T₁₀₀₃).

The spelling of 1006502500 in words is "one billion, six million, five hundred two thousand, five hundred".