109942537 has 2 divisors, whose sum is σ = 109942538. Its totient is φ = 109942536.

The previous prime is 109942517. The next prime is 109942579. The reversal of 109942537 is 735249901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102191881 + 7750656 = 10109^2 + 2784^2 .

It is a cyclic number.

It is not a de Polignac number, because 109942537 - 2¹¹ = 109940489 is a prime.

It is a super-2 number, since 2×109942537² = 24174722883992738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109942537.

It is not a weakly prime, because it can be changed into another prime (109942517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54971268 + 54971269.

It is an arithmetic number, because the mean of its divisors is an integer number (54971269).

Almost surely, 2^109942537 is an apocalyptic number.

It is an amenable number.

109942537 is a deficient number, since it is larger than the sum of its proper divisors (1).

109942537 is an equidigital number, since it uses as much as digits as its factorization.

109942537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 109942537 is about 10485.3486828050. The cubic root of 109942537 is about 479.0585380347.

It can be divided in two parts, 10994 and 2537, that added together give a palindrome (13531).

The spelling of 109942537 in words is "one hundred nine million, nine hundred forty-two thousand, five hundred thirty-seven".