2557532323 has 2 divisors, whose sum is σ = 2557532324. Its totient is φ = 2557532322.

The previous prime is 2557532321. The next prime is 2557532339. The reversal of 2557532323 is 3232357552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2557532323 - 2¹ = 2557532321 is a prime.

Together with 2557532321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2557532321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278766161 + 1278766162.

It is an arithmetic number, because the mean of its divisors is an integer number (1278766162).

Almost surely, 2^2557532323 is an apocalyptic number.

2557532323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557532323 is an equidigital number, since it uses as much as digits as its factorization.

2557532323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 37.

The square root of 2557532323 is about 50572.0508087224. The cubic root of 2557532323 is about 1367.5410672506.

Adding to 2557532323 its reverse (3232357552), we get a palindrome (5789889875).

The spelling of 2557532323 in words is "two billion, five hundred fifty-seven million, five hundred thirty-two thousand, three hundred twenty-three".