620564503621325 has 36 divisors (see below), whose sum is σ = 773641875438432. Its totient is φ = 493792183684800.

The previous prime is 620564503621313. The next prime is 620564503621369. The reversal of 620564503621325 is 523126305465026.

It is a happy number.

It is not a de Polignac number, because 620564503621325 - 2¹⁸ = 620564503359181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1095023192 + ... + 1095589758.

It is an arithmetic number, because the mean of its divisors is an integer number (21490052095512).

Almost surely, 2^{620564503621325} is an apocalyptic number.

It is an amenable number.

620564503621325 is a deficient number, since it is larger than the sum of its proper divisors (153077371817107).

620564503621325 is an equidigital number, since it uses as much as digits as its factorization.

620564503621325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567702 (or 567420 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 620564503621325 in words is "six hundred twenty trillion, five hundred sixty-four billion, five hundred three million, six hundred twenty-one thousand, three hundred twenty-five".