10561279 has 2 divisors, whose sum is σ = 10561280. Its totient is φ = 10561278.

The previous prime is 10561261. The next prime is 10561339. The reversal of 10561279 is 97216501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10561279 is a prime.

It is a super-2 number, since 2×10561279² = 223081228231682, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10561279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10561219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5280639 + 5280640.

It is an arithmetic number, because the mean of its divisors is an integer number (5280640).

Almost surely, 2^10561279 is an apocalyptic number.

10561279 is a deficient number, since it is larger than the sum of its proper divisors (1).

10561279 is an equidigital number, since it uses as much as digits as its factorization.

10561279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 10561279 is about 3249.8121484172. The cubic root of 10561279 is about 219.4011191483.

The spelling of 10561279 in words is "ten million, five hundred sixty-one thousand, two hundred seventy-nine".