624487 has 2 divisors, whose sum is σ = 624488. Its totient is φ = 624486.

The previous prime is 624479. The next prime is 624497. The reversal of 624487 is 784426.

624487 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 624487 - 2³ = 624479 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 2¹⁹ + 4⁴ + 4⁸ + 8⁵ + 7³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624467) 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 as a sum of consecutive naturals, namely, 312243 + 312244.

It is an arithmetic number, because the mean of its divisors is an integer number (312244).

2⁶²⁴⁴⁸⁷ is an apocalyptic number.

624487 is a deficient number, since it is larger than the sum of its proper divisors (1).

624487 is an equidigital number, since it uses as much as digits as its factorization.

624487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 624487 is about 790.2448987497. The cubic root of 624487 is about 85.4753984598.

It can be divided in two parts, 624 and 487, that added together give a palindrome (1111).

The spelling of 624487 in words is "six hundred twenty-four thousand, four hundred eighty-seven".