71054413 has 2 divisors, whose sum is σ = 71054414. Its totient is φ = 71054412.

The previous prime is 71054377. The next prime is 71054479. The reversal of 71054413 is 31445017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 19027044 = 7213^2 + 4362^2 .

It is an emirp because it is prime and its reverse (31445017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71054413 - 2²¹ = 68957261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71051413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35527206 + 35527207.

It is an arithmetic number, because the mean of its divisors is an integer number (35527207).

Almost surely, 2^71054413 is an apocalyptic number.

It is an amenable number.

71054413 is a deficient number, since it is larger than the sum of its proper divisors (1).

71054413 is an equidigital number, since it uses as much as digits as its factorization.

71054413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 71054413 is about 8429.3779723061. The cubic root of 71054413 is about 414.1875293000.

The spelling of 71054413 in words is "seventy-one million, fifty-four thousand, four hundred thirteen".