626741 has 2 divisors, whose sum is σ = 626742. Its totient is φ = 626740.

The previous prime is 626723. The next prime is 626749. The reversal of 626741 is 147626.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556516 + 70225 = 746^2 + 265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-626741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 626741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313370 + 313371.

It is an arithmetic number, because the mean of its divisors is an integer number (313371).

2⁶²⁶⁷⁴¹ is an apocalyptic number.

It is an amenable number.

626741 is a deficient number, since it is larger than the sum of its proper divisors (1).

626741 is an equidigital number, since it uses as much as digits as its factorization.

626741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 626741 is about 791.6697543799. The cubic root of 626741 is about 85.5781122161.

The spelling of 626741 in words is "six hundred twenty-six thousand, seven hundred forty-one".