2257572641 has 2 divisors, whose sum is σ = 2257572642. Its totient is φ = 2257572640.

The previous prime is 2257572623. The next prime is 2257572661. The reversal of 2257572641 is 1462757522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2175289600 + 82283041 = 46640^2 + 9071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2257572641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257572601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128786320 + 1128786321.

It is an arithmetic number, because the mean of its divisors is an integer number (1128786321).

Almost surely, 2^2257572641 is an apocalyptic number.

It is an amenable number.

2257572641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257572641 is an equidigital number, since it uses as much as digits as its factorization.

2257572641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 2257572641 is about 47513.9204970501. The cubic root of 2257572641 is about 1311.8391201161.

The spelling of 2257572641 in words is "two billion, two hundred fifty-seven million, five hundred seventy-two thousand, six hundred forty-one".