71353049 has 2 divisors, whose sum is σ = 71353050. Its totient is φ = 71353048.

The previous prime is 71353043. The next prime is 71353081. The reversal of 71353049 is 94035317.

It is a happy number.

It is an a-pointer prime, because the next prime (71353081) can be obtained adding 71353049 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65496649 + 5856400 = 8093^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 71353049 - 2²⁰ = 70304473 is a prime.

It is not a weakly prime, because it can be changed into another prime (71353043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35676524 + 35676525.

It is an arithmetic number, because the mean of its divisors is an integer number (35676525).

Almost surely, 2^71353049 is an apocalyptic number.

It is an amenable number.

71353049 is a deficient number, since it is larger than the sum of its proper divisors (1).

71353049 is an equidigital number, since it uses as much as digits as its factorization.

71353049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 71353049 is about 8447.0733985209. The cubic root of 71353049 is about 414.7669839135.

The spelling of 71353049 in words is "seventy-one million, three hundred fifty-three thousand, forty-nine".