2054223257 has 2 divisors, whose sum is σ = 2054223258. Its totient is φ = 2054223256.

The previous prime is 2054223253. The next prime is 2054223289. The reversal of 2054223257 is 7523224502.

It is an a-pointer prime, because the next prime (2054223289) can be obtained adding 2054223257 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234889881 + 819333376 = 35141^2 + 28624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054223257 - 2² = 2054223253 is a prime.

It is not a weakly prime, because it can be changed into another prime (2054223253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027111628 + 1027111629.

It is an arithmetic number, because the mean of its divisors is an integer number (1027111629).

Almost surely, 2^2054223257 is an apocalyptic number.

It is an amenable number.

2054223257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054223257 is an equidigital number, since it uses as much as digits as its factorization.

2054223257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 2054223257 is about 45323.5397668805. The cubic root of 2054223257 is about 1271.2058435702.

Adding to 2054223257 its reverse (7523224502), we get a palindrome (9577447759).

The spelling of 2054223257 in words is "two billion, fifty-four million, two hundred twenty-three thousand, two hundred fifty-seven".