2551100549 has 2 divisors, whose sum is σ = 2551100550. Its totient is φ = 2551100548.

The previous prime is 2551100537. The next prime is 2551100561. The reversal of 2551100549 is 9450011552.

It is a balanced prime because it is at equal distance from previous prime (2551100537) and next prime (2551100561).

It can be written as a sum of positive squares in only one way, i.e., 1911263524 + 639837025 = 43718^2 + 25295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551100549 - 2¹² = 2551096453 is a prime.

It is a super-2 number, since 2×2551100549² = 13016228022216202802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551100249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275550274 + 1275550275.

It is an arithmetic number, because the mean of its divisors is an integer number (1275550275).

Almost surely, 2^2551100549 is an apocalyptic number.

It is an amenable number.

2551100549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551100549 is an equidigital number, since it uses as much as digits as its factorization.

2551100549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 2551100549 is about 50508.4205751873. The cubic root of 2551100549 is about 1366.3937244807.

The spelling of 2551100549 in words is "two billion, five hundred fifty-one million, one hundred thousand, five hundred forty-nine".