2543750057 has 8 divisors (see below), whose sum is σ = 2549961696. Its totient is φ = 2537547552.

The previous prime is 2543750047. The next prime is 2543750063. The reversal of 2543750057 is 7500573452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2543750057 - 2¹² = 2543745961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543750057.

It is not an unprimeable number, because it can be changed into a prime (2543750017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027373 + ... + 1029845.

It is an arithmetic number, because the mean of its divisors is an integer number (318745212).

Almost surely, 2^2543750057 is an apocalyptic number.

It is an amenable number.

2543750057 is a deficient number, since it is larger than the sum of its proper divisors (6211639).

2543750057 is a wasteful number, since it uses less digits than its factorization.

2543750057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567.

The product of its (nonzero) digits is 147000, while the sum is 38.

The square root of 2543750057 is about 50435.6030696571. The cubic root of 2543750057 is about 1365.0801309031.

The spelling of 2543750057 in words is "two billion, five hundred forty-three million, seven hundred fifty thousand, fifty-seven".