2571252280 has 32 divisors (see below), whose sum is σ = 5829492240. Its totient is φ = 1020647680.

The previous prime is 2571252247. The next prime is 2571252293. The reversal of 2571252280 is 822521752.

It is a super-2 number, since 2×2571252280² = 13222676574810396800, 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 7 ways as a sum of consecutive naturals, for example, 240109 + ... + 250588.

Almost surely, 2^2571252280 is an apocalyptic number.

2571252280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2571252280 is an abundant number, since it is smaller than the sum of its proper divisors (3258239960).

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

2571252280 is a wasteful number, since it uses less digits than its factorization.

2571252280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490839 (or 490835 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 2571252280 is about 50707.5169969897. The cubic root of 2571252280 is about 1369.9821121148.

The spelling of 2571252280 in words is "two billion, five hundred seventy-one million, two hundred fifty-two thousand, two hundred eighty".