1010002555 has 24 divisors (see below), whose sum is σ = 1303229088. Its totient is φ = 748839168.

The previous prime is 1010002531. The next prime is 1010002561. The reversal of 1010002555 is 5552000101.

It is not a de Polignac number, because 1010002555 - 2¹⁵ = 1009969787 is a prime.

It is a super-2 number, since 2×1010002555² = 2040210322213056050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380242 + ... + 382888.

It is an arithmetic number, because the mean of its divisors is an integer number (54301212).

Almost surely, 2^1010002555 is an apocalyptic number.

1010002555 is a deficient number, since it is larger than the sum of its proper divisors (293226533).

1010002555 is an equidigital number, since it uses as much as digits as its factorization.

1010002555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1010002555 is about 31780.5373617250. The cubic root of 1010002555 is about 1003.3231295772.

Adding to 1010002555 its reverse (5552000101), we get a palindrome (6562002656).

The spelling of 1010002555 in words is "one billion, ten million, two thousand, five hundred fifty-five".