71595049 has 2 divisors, whose sum is σ = 71595050. Its totient is φ = 71595048.

The previous prime is 71595047. The next prime is 71595077. The reversal of 71595049 is 94059517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37454400 + 34140649 = 6120^2 + 5843^2 .

It is an emirp because it is prime and its reverse (94059517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71595049 - 2¹ = 71595047 is a prime.

Together with 71595047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (71595047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35797524 + 35797525.

It is an arithmetic number, because the mean of its divisors is an integer number (35797525).

Almost surely, 2^71595049 is an apocalyptic number.

It is an amenable number.

71595049 is a deficient number, since it is larger than the sum of its proper divisors (1).

71595049 is an equidigital number, since it uses as much as digits as its factorization.

71595049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 71595049 is about 8461.3857612096. The cubic root of 71595049 is about 415.2353607598.

The spelling of 71595049 in words is "seventy-one million, five hundred ninety-five thousand, forty-nine".