10405247 has 2 divisors, whose sum is σ = 10405248. Its totient is φ = 10405246.

The previous prime is 10405211. The next prime is 10405261. The reversal of 10405247 is 74250401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10405247 - 2⁸ = 10404991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10402247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202623 + 5202624.

It is an arithmetic number, because the mean of its divisors is an integer number (5202624).

Almost surely, 2^10405247 is an apocalyptic number.

10405247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10405247 is an equidigital number, since it uses as much as digits as its factorization.

10405247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 10405247 is about 3225.7165095526. The cubic root of 10405247 is about 218.3152790204.

Adding to 10405247 its reverse (74250401), we get a palindrome (84655648).

The spelling of 10405247 in words is "ten million, four hundred five thousand, two hundred forty-seven".