109274261 has 2 divisors, whose sum is σ = 109274262. Its totient is φ = 109274260.

The previous prime is 109274257. The next prime is 109274267. The reversal of 109274261 is 162472901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99880036 + 9394225 = 9994^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 109274261 - 2² = 109274257 is a prime.

It is a super-2 number, since 2×109274261² = 23881728234192242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109274267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54637130 + 54637131.

It is an arithmetic number, because the mean of its divisors is an integer number (54637131).

Almost surely, 2^109274261 is an apocalyptic number.

It is an amenable number.

109274261 is a deficient number, since it is larger than the sum of its proper divisors (1).

109274261 is an equidigital number, since it uses as much as digits as its factorization.

109274261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 109274261 is about 10453.4329767785. The cubic root of 109274261 is about 478.0859263838.

The spelling of 109274261 in words is "one hundred nine million, two hundred seventy-four thousand, two hundred sixty-one".