2571255000 has 120 divisors (see below), whose sum is σ = 8702136300. Its totient is φ = 685656000.

The previous prime is 2571254963. The next prime is 2571255013. The reversal of 2571255000 is 5521752.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×2571255000² = 13222704550050000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 16431 + ... + 73569.

Almost surely, 2^2571255000 is an apocalyptic number.

2571255000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2571255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4351068150).

2571255000 is an abundant number, since it is smaller than the sum of its proper divisors (6130881300).

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

2571255000 is a wasteful number, since it uses less digits than its factorization.

2571255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57171 (or 57149 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 2571255000 is about 50707.5438174637. The cubic root of 2571255000 is about 1369.9825951933.

Adding to 2571255000 its reverse (5521752), we get a palindrome (2576776752).

The spelling of 2571255000 in words is "two billion, five hundred seventy-one million, two hundred fifty-five thousand".