109285637 has 2 divisors, whose sum is σ = 109285638. Its totient is φ = 109285636.

The previous prime is 109285613. The next prime is 109285667. The reversal of 109285637 is 736582901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95140516 + 14145121 = 9754^2 + 3761^2 .

It is a cyclic number.

It is not a de Polignac number, because 109285637 - 2⁶ = 109285573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109285594 and 109285603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109285607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54642818 + 54642819.

It is an arithmetic number, because the mean of its divisors is an integer number (54642819).

Almost surely, 2^109285637 is an apocalyptic number.

It is an amenable number.

109285637 is a deficient number, since it is larger than the sum of its proper divisors (1).

109285637 is an equidigital number, since it uses as much as digits as its factorization.

109285637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 109285637 is about 10453.9770900839. The cubic root of 109285637 is about 478.1025161911.

The spelling of 109285637 in words is "one hundred nine million, two hundred eighty-five thousand, six hundred thirty-seven".