624426053225 has 12 divisors (see below), whose sum is σ = 833848945356. Its totient is φ = 461114623680.

The previous prime is 624426053171. The next prime is 624426053233. The reversal of 624426053225 is 522350624426.

It can be written as a sum of positive squares in 6 ways, for example, as 218212305424 + 406213747801 = 467132^2 + 637349^2 .

It is not a de Polignac number, because 624426053225 - 2⁶ = 624426053161 is a prime.

It is a super-3 number, since 3×624426053225³ (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960655142 + ... + 960655791.

It is an arithmetic number, because the mean of its divisors is an integer number (69487412113).

Almost surely, 2^624426053225 is an apocalyptic number.

624426053225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

624426053225 is a deficient number, since it is larger than the sum of its proper divisors (209422892131).

624426053225 is a wasteful number, since it uses less digits than its factorization.

624426053225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921310956 (or 1921310951 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 624426053225 in words is "six hundred twenty-four billion, four hundred twenty-six million, fifty-three thousand, two hundred twenty-five".