1002505201 has 4 divisors (see below), whose sum is σ = 1002652992. Its totient is φ = 1002357412.

The previous prime is 1002505177. The next prime is 1002505219. The reversal of 1002505201 is 1025052001.

1002505201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1025052001 = 2657 ⋅385793.

It is a cyclic number.

It is not a de Polignac number, because 1002505201 - 2⁵ = 1002505169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002505261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63205 + ... + 77458.

It is an arithmetic number, because the mean of its divisors is an integer number (250663248).

Almost surely, 2^1002505201 is an apocalyptic number.

It is an amenable number.

1002505201 is a deficient number, since it is larger than the sum of its proper divisors (147791).

1002505201 is an equidigital number, since it uses as much as digits as its factorization.

1002505201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147790.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1002505201 is about 31662.3625302977. The cubic root of 1002505201 is about 1000.8343706320.

Adding to 1002505201 its reverse (1025052001), we get a palindrome (2027557202).

The spelling of 1002505201 in words is "one billion, two million, five hundred five thousand, two hundred one".