1051002500 has 60 divisors (see below), whose sum is σ = 2309260800. Its totient is φ = 418404000.

The previous prime is 1051002497. The next prime is 1051002581. The reversal of 1051002500 is 52001501.

It is a super-2 number, since 2×1051002500² = 2209212510012500000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 596621 + ... + 598379.

It is an arithmetic number, because the mean of its divisors is an integer number (38487680).

Almost surely, 2^1051002500 is an apocalyptic number.

1051002500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051002500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154630400).

1051002500 is an abundant number, since it is smaller than the sum of its proper divisors (1258258300).

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

1051002500 is a wasteful number, since it uses less digits than its factorization.

1051002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1051002500 is about 32419.1687123529. The cubic root of 1051002500 is about 1016.7197260970.

Subtracting from 1051002500 its reverse (52001501), we obtain a palindrome (999000999).

The spelling of 1051002500 in words is "one billion, fifty-one million, two thousand, five hundred".