626071 has 4 divisors (see below), whose sum is σ = 628992. Its totient is φ = 623152.

The previous prime is 626063. The next prime is 626113. The reversal of 626071 is 170626.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170626 = 2 ⋅85313.

It is a cyclic number.

It is not a de Polignac number, because 626071 - 2³ = 626063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

2⁶²⁶⁰⁷¹ is an apocalyptic number.

626071 is a deficient number, since it is larger than the sum of its proper divisors (2921).

626071 is a wasteful number, since it uses less digits than its factorization.

626071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 626071 is about 791.2464849843. The cubic root of 626071 is about 85.5476063778.

Adding to 626071 its reverse (170626), we get a palindrome (796697).

The spelling of 626071 in words is "six hundred twenty-six thousand, seventy-one".