109512541 has 2 divisors, whose sum is σ = 109512542. Its totient is φ = 109512540.

The previous prime is 109512527. The next prime is 109512547. The reversal of 109512541 is 145215901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 40373316 = 8315^2 + 6354^2 .

It is an emirp because it is prime and its reverse (145215901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109512541 - 2²³ = 101123933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109512547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54756270 + 54756271.

It is an arithmetic number, because the mean of its divisors is an integer number (54756271).

Almost surely, 2^109512541 is an apocalyptic number.

It is an amenable number.

109512541 is a deficient number, since it is larger than the sum of its proper divisors (1).

109512541 is an equidigital number, since it uses as much as digits as its factorization.

109512541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 109512541 is about 10464.8239832307. The cubic root of 109512541 is about 478.4331737943.

The spelling of 109512541 in words is "one hundred nine million, five hundred twelve thousand, five hundred forty-one".