75915113 has 2 divisors, whose sum is σ = 75915114. Its totient is φ = 75915112.

The previous prime is 75915097. The next prime is 75915137. The reversal of 75915113 is 31151957.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75829264 + 85849 = 8708^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 75915113 - 2⁴ = 75915097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75915113.

It is not a weakly prime, because it can be changed into another prime (75915143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37957556 + 37957557.

It is an arithmetic number, because the mean of its divisors is an integer number (37957557).

Almost surely, 2^75915113 is an apocalyptic number.

It is an amenable number.

75915113 is a deficient number, since it is larger than the sum of its proper divisors (1).

75915113 is an equidigital number, since it uses as much as digits as its factorization.

75915113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4725, while the sum is 32.

The square root of 75915113 is about 8712.9279234939. The cubic root of 75915113 is about 423.4245951315.

The spelling of 75915113 in words is "seventy-five million, nine hundred fifteen thousand, one hundred thirteen".