2897287250 has 64 divisors (see below), whose sum is σ = 6372003456. Its totient is φ = 972504000.

The previous prime is 2897287201. The next prime is 2897287259. The reversal of 2897287250 is 527827982.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2897287259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4772 + ... + 76271.

It is an arithmetic number, because the mean of its divisors is an integer number (99562554).

Almost surely, 2^2897287250 is an apocalyptic number.

2897287250 is an abundant number, since it is smaller than the sum of its proper divisors (3474716206).

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

2897287250 is a wasteful number, since it uses less digits than its factorization.

2897287250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81084 (or 81074 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 2897287250 is about 53826.4549269223. The cubic root of 2897287250 is about 1425.5983534168.

The spelling of 2897287250 in words is "two billion, eight hundred ninety-seven million, two hundred eighty-seven thousand, two hundred fifty".