2573722257 has 8 divisors (see below), whose sum is σ = 3524376576. Its totient is φ = 1669441392.

The previous prime is 2573722231. The next prime is 2573722297. The reversal of 2573722257 is 7522273752.

2573722257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2573722257 - 2⁸ = 2573722001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2573722297) 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, 11593233 + ... + 11593454.

It is an arithmetic number, because the mean of its divisors is an integer number (440547072).

Almost surely, 2^2573722257 is an apocalyptic number.

It is an amenable number.

2573722257 is a deficient number, since it is larger than the sum of its proper divisors (950654319).

2573722257 is a wasteful number, since it uses less digits than its factorization.

2573722257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23186727.

The product of its digits is 411600, while the sum is 42.

The square root of 2573722257 is about 50731.8662873741. The cubic root of 2573722257 is about 1370.4206456907.

The spelling of 2573722257 in words is "two billion, five hundred seventy-three million, seven hundred twenty-two thousand, two hundred fifty-seven".