2557162303 has 2 divisors, whose sum is σ = 2557162304. Its totient is φ = 2557162302.

The previous prime is 2557162277. The next prime is 2557162331. The reversal of 2557162303 is 3032617552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2557162303 - 2⁵ = 2557162271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2557162343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278581151 + 1278581152.

It is an arithmetic number, because the mean of its divisors is an integer number (1278581152).

Almost surely, 2^2557162303 is an apocalyptic number.

2557162303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557162303 is an equidigital number, since it uses as much as digits as its factorization.

2557162303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2557162303 is about 50568.3923315741. The cubic root of 2557162303 is about 1367.4751127957.

Adding to 2557162303 its reverse (3032617552), we get a palindrome (5589779855).

The spelling of 2557162303 in words is "two billion, five hundred fifty-seven million, one hundred sixty-two thousand, three hundred three".