1255332677 has 2 divisors, whose sum is σ = 1255332678. Its totient is φ = 1255332676.

The previous prime is 1255332671. The next prime is 1255332697. The reversal of 1255332677 is 7762335521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736905316 + 518427361 = 27146^2 + 22769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255332677 - 2¹⁶ = 1255267141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255332671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627666338 + 627666339.

It is an arithmetic number, because the mean of its divisors is an integer number (627666339).

Almost surely, 2^1255332677 is an apocalyptic number.

It is an amenable number.

1255332677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255332677 is an equidigital number, since it uses as much as digits as its factorization.

1255332677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 41.

The square root of 1255332677 is about 35430.6742385747. The cubic root of 1255332677 is about 1078.7470257049.

The spelling of 1255332677 in words is "one billion, two hundred fifty-five million, three hundred thirty-two thousand, six hundred seventy-seven".