755281057 has 2 divisors, whose sum is σ = 755281058. Its totient is φ = 755281056.

The previous prime is 755281019. The next prime is 755281067. The reversal of 755281057 is 750182557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748077201 + 7203856 = 27351^2 + 2684^2 .

It is a cyclic number.

It is not a de Polignac number, because 755281057 - 2¹⁵ = 755248289 is a prime.

It is not a weakly prime, because it can be changed into another prime (755281067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377640528 + 377640529.

It is an arithmetic number, because the mean of its divisors is an integer number (377640529).

Almost surely, 2^755281057 is an apocalyptic number.

It is an amenable number.

755281057 is a deficient number, since it is larger than the sum of its proper divisors (1).

755281057 is an equidigital number, since it uses as much as digits as its factorization.

755281057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98000, while the sum is 40.

The square root of 755281057 is about 27482.3772079491. The cubic root of 755281057 is about 910.6878255849.

The spelling of 755281057 in words is "seven hundred fifty-five million, two hundred eighty-one thousand, fifty-seven".