109598537 has 2 divisors, whose sum is σ = 109598538. Its totient is φ = 109598536.

The previous prime is 109598449. The next prime is 109598539. The reversal of 109598537 is 735895901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63616576 + 45981961 = 7976^2 + 6781^2 .

It is a cyclic number.

It is not a de Polignac number, because 109598537 - 2¹⁶ = 109533001 is a prime.

Together with 109598539, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109598491 and 109598500.

It is not a weakly prime, because it can be changed into another prime (109598539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54799268 + 54799269.

It is an arithmetic number, because the mean of its divisors is an integer number (54799269).

Almost surely, 2^109598537 is an apocalyptic number.

It is an amenable number.

109598537 is a deficient number, since it is larger than the sum of its proper divisors (1).

109598537 is an equidigital number, since it uses as much as digits as its factorization.

109598537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 109598537 is about 10468.9319894629. The cubic root of 109598537 is about 478.5583727718.

The spelling of 109598537 in words is "one hundred nine million, five hundred ninety-eight thousand, five hundred thirty-seven".