109612553 has 2 divisors, whose sum is σ = 109612554. Its totient is φ = 109612552.

The previous prime is 109612523. The next prime is 109612597. The reversal of 109612553 is 355216901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68690944 + 40921609 = 8288^2 + 6397^2 .

It is a cyclic number.

It is not a de Polignac number, because 109612553 - 2¹⁴ = 109596169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (109612523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54806276 + 54806277.

It is an arithmetic number, because the mean of its divisors is an integer number (54806277).

Almost surely, 2^109612553 is an apocalyptic number.

It is an amenable number.

109612553 is a deficient number, since it is larger than the sum of its proper divisors (1).

109612553 is an equidigital number, since it uses as much as digits as its factorization.

109612553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 109612553 is about 10469.6013773209. The cubic root of 109612553 is about 478.5787720351.

The spelling of 109612553 in words is "one hundred nine million, six hundred twelve thousand, five hundred fifty-three".