6551754257 has 2 divisors, whose sum is σ = 6551754258. Its totient is φ = 6551754256.

The previous prime is 6551754229. The next prime is 6551754277. The reversal of 6551754257 is 7524571556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6281513536 + 270240721 = 79256^2 + 16439^2 .

It is a cyclic number.

It is not a de Polignac number, because 6551754257 - 2³⁰ = 5478012433 is a prime.

It is not a weakly prime, because it can be changed into another prime (6551754277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275877128 + 3275877129.

It is an arithmetic number, because the mean of its divisors is an integer number (3275877129).

Almost surely, 2^6551754257 is an apocalyptic number.

It is an amenable number.

6551754257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551754257 is an equidigital number, since it uses as much as digits as its factorization.

6551754257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1470000, while the sum is 47.

The square root of 6551754257 is about 80942.9073915683. The cubic root of 6551754257 is about 1871.1956528463.

The spelling of 6551754257 in words is "six billion, five hundred fifty-one million, seven hundred fifty-four thousand, two hundred fifty-seven".