5237423657 has 2 divisors, whose sum is σ = 5237423658. Its totient is φ = 5237423656.

The previous prime is 5237423651. The next prime is 5237423669. The reversal of 5237423657 is 7563247325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4493825296 + 743598361 = 67036^2 + 27269^2 .

It is a cyclic number.

It is not a de Polignac number, because 5237423657 - 2⁴ = 5237423641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5237423651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2618711828 + 2618711829.

It is an arithmetic number, because the mean of its divisors is an integer number (2618711829).

Almost surely, 2^5237423657 is an apocalyptic number.

It is an amenable number.

5237423657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5237423657 is an equidigital number, since it uses as much as digits as its factorization.

5237423657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 44.

The square root of 5237423657 is about 72370.0466836937. The cubic root of 5237423657 is about 1736.6244127038.

The spelling of 5237423657 in words is "five billion, two hundred thirty-seven million, four hundred twenty-three thousand, six hundred fifty-seven".