2471238557 has 2 divisors, whose sum is σ = 2471238558. Its totient is φ = 2471238556.

The previous prime is 2471238533. The next prime is 2471238577. The reversal of 2471238557 is 7558321742.

2471238557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2392579396 + 78659161 = 48914^2 + 8869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471238557 is a prime.

It is a super-2 number, since 2×2471238557² = 12214040011206884498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2471238577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235619278 + 1235619279.

It is an arithmetic number, because the mean of its divisors is an integer number (1235619279).

Almost surely, 2^2471238557 is an apocalyptic number.

It is an amenable number.

2471238557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471238557 is an equidigital number, since it uses as much as digits as its factorization.

2471238557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 44.

The square root of 2471238557 is about 49711.5535564923. The cubic root of 2471238557 is about 1351.9840159300.

The spelling of 2471238557 in words is "two billion, four hundred seventy-one million, two hundred thirty-eight thousand, five hundred fifty-seven".