2557701233 has 2 divisors, whose sum is σ = 2557701234. Its totient is φ = 2557701232.

The previous prime is 2557701173. The next prime is 2557701329. The reversal of 2557701233 is 3321077552.

2557701233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2538446689 + 19254544 = 50383^2 + 4388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2557701233 - 2²² = 2553506929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2557701193 and 2557701202.

It is not a weakly prime, because it can be changed into another prime (2557701733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278850616 + 1278850617.

It is an arithmetic number, because the mean of its divisors is an integer number (1278850617).

Almost surely, 2^2557701233 is an apocalyptic number.

It is an amenable number.

2557701233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557701233 is an equidigital number, since it uses as much as digits as its factorization.

2557701233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 2557701233 is about 50573.7207747265. The cubic root of 2557701233 is about 1367.5711726084.

Adding to 2557701233 its reverse (3321077552), we get a palindrome (5878778785).

The spelling of 2557701233 in words is "two billion, five hundred fifty-seven million, seven hundred one thousand, two hundred thirty-three".