2555213000 has 32 divisors (see below), whose sum is σ = 5979200760. Its totient is φ = 1022084800.

The previous prime is 2555212993. The next prime is 2555213021. The reversal of 2555213000 is 3125552.

It can be written as a sum of positive squares in 4 ways, for example, as 852990436 + 1702222564 = 29206^2 + 41258^2 .

It is a super-2 number, since 2×2555213000² = 13058226950738000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276607 + ... + 1278606.

Almost surely, 2^2555213000 is an apocalyptic number.

2555213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555213000 is an abundant number, since it is smaller than the sum of its proper divisors (3423987760).

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

2555213000 is a wasteful number, since it uses less digits than its factorization.

2555213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555234 (or 2555220 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2555213000 is about 50549.1147301315. The cubic root of 2555213000 is about 1367.1275529307.

Adding to 2555213000 its reverse (3125552), we get a palindrome (2558338552).

The spelling of 2555213000 in words is "two billion, five hundred fifty-five million, two hundred thirteen thousand".