626481 has 8 divisors (see below), whose sum is σ = 928160. Its totient is φ = 417636.

The previous prime is 626477. The next prime is 626489. The reversal of 626481 is 184626.

626481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 626481 - 2² = 626477 is a prime.

It is a super-2 number, since 2×626481² = 784956886722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 23203 = 626481 / (6 + 2 + 6 + 4 + 8 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 626481.

It is not an unprimeable number, because it can be changed into a prime (626489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11575 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (116020).

2⁶²⁶⁴⁸¹ is an apocalyptic number.

It is an amenable number.

626481 is a deficient number, since it is larger than the sum of its proper divisors (301679).

626481 is a wasteful number, since it uses less digits than its factorization.

626481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23212 (or 23206 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 626481 is about 791.5055274602. The cubic root of 626481 is about 85.5662767122.

The spelling of 626481 in words is "six hundred twenty-six thousand, four hundred eighty-one".