1002523201 has 16 divisors (see below), whose sum is σ = 1120858560. Its totient is φ = 891095040.

The previous prime is 1002523189. The next prime is 1002523261. The reversal of 1002523201 is 1023252001.

It is a cyclic number.

It is not a de Polignac number, because 1002523201 - 2⁵ = 1002523169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002523261) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 102225 + ... + 111601.

It is an arithmetic number, because the mean of its divisors is an integer number (70053660).

Almost surely, 2^1002523201 is an apocalyptic number.

It is an amenable number.

1002523201 is a deficient number, since it is larger than the sum of its proper divisors (118335359).

1002523201 is a wasteful number, since it uses less digits than its factorization.

1002523201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9744.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1002523201 is about 31662.6467781833. The cubic root of 1002523201 is about 1000.8403605962.

Adding to 1002523201 its reverse (1023252001), we get a palindrome (2025775202).

The spelling of 1002523201 in words is "one billion, two million, five hundred twenty-three thousand, two hundred one".