109427497 has 2 divisors, whose sum is σ = 109427498. Its totient is φ = 109427496.

The previous prime is 109427471. The next prime is 109427501. The reversal of 109427497 is 794724901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101525776 + 7901721 = 10076^2 + 2811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109427497 is a prime.

It is not a weakly prime, because it can be changed into another prime (109427597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54713748 + 54713749.

It is an arithmetic number, because the mean of its divisors is an integer number (54713749).

Almost surely, 2^109427497 is an apocalyptic number.

It is an amenable number.

109427497 is a deficient number, since it is larger than the sum of its proper divisors (1).

109427497 is an equidigital number, since it uses as much as digits as its factorization.

109427497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 109427497 is about 10460.7598672372. The cubic root of 109427497 is about 478.3092963299.

The spelling of 109427497 in words is "one hundred nine million, four hundred twenty-seven thousand, four hundred ninety-seven".