1033278401 has 2 divisors, whose sum is σ = 1033278402. Its totient is φ = 1033278400.

The previous prime is 1033278383. The next prime is 1033278413. The reversal of 1033278401 is 1048723301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989731600 + 43546801 = 31460^2 + 6599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1033278401 - 2²² = 1029084097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1033278431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516639200 + 516639201.

It is an arithmetic number, because the mean of its divisors is an integer number (516639201).

Almost surely, 2^1033278401 is an apocalyptic number.

It is an amenable number.

1033278401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1033278401 is an equidigital number, since it uses as much as digits as its factorization.

1033278401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1033278401 is about 32144.6480926452. The cubic root of 1033278401 is about 1010.9719757961.

Subtracting 1033278401 from its reverse (1048723301), we obtain a square (15444900 = 3930²).

The spelling of 1033278401 in words is "one billion, thirty-three million, two hundred seventy-eight thousand, four hundred one".