10549999 has 2 divisors, whose sum is σ = 10550000. Its totient is φ = 10549998.

The previous prime is 10549991. The next prime is 10550003. The reversal of 10549999 is 99994501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10549999 - 2³ = 10549991 is a prime.

It is a super-2 number, since 2×10549999² = 222604957800002, which contains 22 as substring.

10549999 is a modest number, since divided by 9999 gives 1054 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10549991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5274999 + 5275000.

It is an arithmetic number, because the mean of its divisors is an integer number (5275000).

Almost surely, 2^10549999 is an apocalyptic number.

10549999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10549999 is an equidigital number, since it uses as much as digits as its factorization.

10549999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 10549999 is about 3248.0761998451. The cubic root of 10549999 is about 219.3229806881.

It can be divided in two parts, 105499 and 99, that multiplied together give a palindrome (10444401).

The spelling of 10549999 in words is "ten million, five hundred forty-nine thousand, nine hundred ninety-nine".