6254053781 has 2 divisors, whose sum is σ = 6254053782. Its totient is φ = 6254053780.

The previous prime is 6254053769. The next prime is 6254053787. The reversal of 6254053781 is 1873504526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4738119556 + 1515934225 = 68834^2 + 38935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6254053781 is a prime.

It is a super-2 number, since 2×6254053781² = 78226377391280791922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6254053787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3127026890 + 3127026891.

It is an arithmetic number, because the mean of its divisors is an integer number (3127026891).

Almost surely, 2^6254053781 is an apocalyptic number.

It is an amenable number.

6254053781 is a deficient number, since it is larger than the sum of its proper divisors (1).

6254053781 is an equidigital number, since it uses as much as digits as its factorization.

6254053781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 6254053781 is about 79082.5757104560. The cubic root of 6254053781 is about 1842.4139101000.

The spelling of 6254053781 in words is "six billion, two hundred fifty-four million, fifty-three thousand, seven hundred eighty-one".