75234113 has 2 divisors, whose sum is σ = 75234114. Its totient is φ = 75234112.

The previous prime is 75234109. The next prime is 75234119. The reversal of 75234113 is 31143257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69338929 + 5895184 = 8327^2 + 2428^2 .

It is an emirp because it is prime and its reverse (31143257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75234113 - 2² = 75234109 is a prime.

It is not a weakly prime, because it can be changed into another prime (75234119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37617056 + 37617057.

It is an arithmetic number, because the mean of its divisors is an integer number (37617057).

Almost surely, 2^75234113 is an apocalyptic number.

It is an amenable number.

75234113 is a deficient number, since it is larger than the sum of its proper divisors (1).

75234113 is an equidigital number, since it uses as much as digits as its factorization.

75234113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 75234113 is about 8673.7600266551. The cubic root of 75234113 is about 422.1546736532.

The spelling of 75234113 in words is "seventy-five million, two hundred thirty-four thousand, one hundred thirteen".