10997149 has 2 divisors, whose sum is σ = 10997150. Its totient is φ = 10997148.

The previous prime is 10997137. The next prime is 10997153. The reversal of 10997149 is 94179901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10771524 + 225625 = 3282^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 10997149 - 2²¹ = 8899997 is a prime.

It is a super-2 number, since 2×10997149² = 241874572256402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10997449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5498574 + 5498575.

It is an arithmetic number, because the mean of its divisors is an integer number (5498575).

Almost surely, 2^10997149 is an apocalyptic number.

It is an amenable number.

10997149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10997149 is an equidigital number, since it uses as much as digits as its factorization.

10997149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 10997149 is about 3316.1949580807. The cubic root of 10997149 is about 222.3787935566.

The spelling of 10997149 in words is "ten million, nine hundred ninety-seven thousand, one hundred forty-nine".