5071639 has 2 divisors, whose sum is σ = 5071640. Its totient is φ = 5071638.

The previous prime is 5071609. The next prime is 5071657. The reversal of 5071639 is 9361705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5071639 - 2⁷ = 5071511 is a prime.

It is a Chen prime.

5071639 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5071639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5071609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535819 + 2535820.

It is an arithmetic number, because the mean of its divisors is an integer number (2535820).

Almost surely, 2^5071639 is an apocalyptic number.

5071639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5071639 is an equidigital number, since it uses as much as digits as its factorization.

5071639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 5071639 is about 2252.0299731576. The cubic root of 5071639 is about 171.8103981567.

The spelling of 5071639 in words is "five million, seventy-one thousand, six hundred thirty-nine".