626241 has 16 divisors (see below), whose sum is σ = 1041408. Its totient is φ = 325200.

The previous prime is 626239. The next prime is 626251. The reversal of 626241 is 142626.

It is a happy number.

It is not a de Polignac number, because 626241 - 2¹ = 626239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (626201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (65088).

2⁶²⁶²⁴¹ is an apocalyptic number.

It is an amenable number.

626241 is a deficient number, since it is larger than the sum of its proper divisors (415167).

626241 is a wasteful number, since it uses less digits than its factorization.

626241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732.

The product of its digits is 576, while the sum is 21.

The square root of 626241 is about 791.3539031306. The cubic root of 626241 is about 85.5553487248. Note that the first 3 decimals are identical.

Adding to 626241 its reverse (142626), we get a palindrome (768867).

The spelling of 626241 in words is "six hundred twenty-six thousand, two hundred forty-one".