755444401 has 2 divisors, whose sum is σ = 755444402. Its totient is φ = 755444400.

The previous prime is 755444377. The next prime is 755444413. The reversal of 755444401 is 104444557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518746176 + 236698225 = 22776^2 + 15385^2 .

It is a cyclic number.

It is not a de Polignac number, because 755444401 - 2⁷ = 755444273 is a prime.

It is not a weakly prime, because it can be changed into another prime (755444101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377722200 + 377722201.

It is an arithmetic number, because the mean of its divisors is an integer number (377722201).

Almost surely, 2^755444401 is an apocalyptic number.

It is an amenable number.

755444401 is a deficient number, since it is larger than the sum of its proper divisors (1).

755444401 is an equidigital number, since it uses as much as digits as its factorization.

755444401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 755444401 is about 27485.3488426107. The cubic root of 755444401 is about 910.7534720831.

Adding to 755444401 its reverse (104444557), we get a palindrome (859888958).

The spelling of 755444401 in words is "seven hundred fifty-five million, four hundred forty-four thousand, four hundred one".