109975997 has 2 divisors, whose sum is σ = 109975998. Its totient is φ = 109975996.

The previous prime is 109975967. The next prime is 109976017. The reversal of 109975997 is 799579901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97732996 + 12243001 = 9886^2 + 3499^2 .

It is a cyclic number.

It is not a de Polignac number, because 109975997 - 2¹⁴ = 109959613 is a prime.

It is a super-2 number, since 2×109975997² = 24189439832288018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109975967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54987998 + 54987999.

It is an arithmetic number, because the mean of its divisors is an integer number (54987999).

Almost surely, 2^109975997 is an apocalyptic number.

It is an amenable number.

109975997 is a deficient number, since it is larger than the sum of its proper divisors (1).

109975997 is an equidigital number, since it uses as much as digits as its factorization.

109975997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1607445, while the sum is 56.

The square root of 109975997 is about 10486.9441211442. The cubic root of 109975997 is about 479.1071321253.

The spelling of 109975997 in words is "one hundred nine million, nine hundred seventy-five thousand, nine hundred ninety-seven".