10278913 has 2 divisors, whose sum is σ = 10278914. Its totient is φ = 10278912.

The previous prime is 10278899. The next prime is 10278923. The reversal of 10278913 is 31987201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8225424 + 2053489 = 2868^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 10278913 - 2⁵ = 10278881 is a prime.

It is not a weakly prime, because it can be changed into another prime (10278923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5139456 + 5139457.

It is an arithmetic number, because the mean of its divisors is an integer number (5139457).

Almost surely, 2^10278913 is an apocalyptic number.

It is an amenable number.

10278913 is a deficient number, since it is larger than the sum of its proper divisors (1).

10278913 is an equidigital number, since it uses as much as digits as its factorization.

10278913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 10278913 is about 3206.0743909024. The cubic root of 10278913 is about 217.4281296868.

The spelling of 10278913 in words is "ten million, two hundred seventy-eight thousand, nine hundred thirteen".