109453961 has 2 divisors, whose sum is σ = 109453962. Its totient is φ = 109453960.

The previous prime is 109453943. The next prime is 109453979. The reversal of 109453961 is 169354901.

It is a balanced prime because it is at equal distance from previous prime (109453943) and next prime (109453979).

It can be written as a sum of positive squares in only one way, i.e., 109327936 + 126025 = 10456^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 109453961 - 2¹⁴ = 109437577 is a prime.

It is not a weakly prime, because it can be changed into another prime (109453931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54726980 + 54726981.

It is an arithmetic number, because the mean of its divisors is an integer number (54726981).

Almost surely, 2^109453961 is an apocalyptic number.

It is an amenable number.

109453961 is a deficient number, since it is larger than the sum of its proper divisors (1).

109453961 is an equidigital number, since it uses as much as digits as its factorization.

109453961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 109453961 is about 10462.0247084396. The cubic root of 109453961 is about 478.3478514076.

It can be divided in two parts, 1094 and 53961, that added together give a palindrome (55055).

The spelling of 109453961 in words is "one hundred nine million, four hundred fifty-three thousand, nine hundred sixty-one".