1002250555 has 24 divisors (see below), whose sum is σ = 1295736480. Its totient is φ = 743930880.

The previous prime is 1002250537. The next prime is 1002250559. The reversal of 1002250555 is 5550522001.

It is a happy number.

It is not a de Polignac number, because 1002250555 - 2⁷ = 1002250427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002250559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97711 + ... + 107479.

It is an arithmetic number, because the mean of its divisors is an integer number (53989020).

Almost surely, 2^1002250555 is an apocalyptic number.

1002250555 is a deficient number, since it is larger than the sum of its proper divisors (293485925).

1002250555 is an equidigital number, since it uses as much as digits as its factorization.

1002250555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879 (or 9862 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 1002250555 is about 31658.3410020171. The cubic root of 1002250555 is about 1000.7496229251.

Adding to 1002250555 its reverse (5550522001), we get a palindrome (6552772556).

The spelling of 1002250555 in words is "one billion, two million, two hundred fifty thousand, five hundred fifty-five".