620545001225 has 24 divisors (see below), whose sum is σ = 774203840640. Its totient is φ = 493387737920.

The previous prime is 620545001207. The next prime is 620545001243. The reversal of 620545001225 is 522100545026.

It is an interprime number because it is at equal distance from previous prime (620545001207) and next prime (620545001243).

It is not a de Polignac number, because 620545001225 - 2³⁰ = 619471259401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620545001191 and 620545001200.

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 23 ways as a sum of consecutive naturals, for example, 12634766 + ... + 12683784.

It is an arithmetic number, because the mean of its divisors is an integer number (32258493360).

Almost surely, 2^620545001225 is an apocalyptic number.

It is an amenable number.

620545001225 is a deficient number, since it is larger than the sum of its proper divisors (153658839415).

620545001225 is a wasteful number, since it uses less digits than its factorization.

620545001225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52129 (or 52124 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 620545001225 in words is "six hundred twenty billion, five hundred forty-five million, one thousand, two hundred twenty-five".