6471242537 has 2 divisors, whose sum is σ = 6471242538. Its totient is φ = 6471242536.

The previous prime is 6471242513. The next prime is 6471242549. The reversal of 6471242537 is 7352421746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6244318441 + 226924096 = 79021^2 + 15064^2 .

It is a cyclic number.

It is not a de Polignac number, because 6471242537 - 2¹² = 6471238441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6471242494 and 6471242503.

It is not a weakly prime, because it can be changed into another prime (6471242507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235621268 + 3235621269.

It is an arithmetic number, because the mean of its divisors is an integer number (3235621269).

Almost surely, 2^6471242537 is an apocalyptic number.

It is an amenable number.

6471242537 is a deficient number, since it is larger than the sum of its proper divisors (1).

6471242537 is an equidigital number, since it uses as much as digits as its factorization.

6471242537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 6471242537 is about 80444.0335699298. The cubic root of 6471242537 is about 1863.4992646425.

The spelling of 6471242537 in words is "six billion, four hundred seventy-one million, two hundred forty-two thousand, five hundred thirty-seven".