620232505425 has 720 divisors, whose sum is σ = 1439202885120. Its totient is φ = 262020096000.

The previous prime is 620232505421. The next prime is 620232505439. The reversal of 620232505425 is 524505232026.

620232505425 is a `hidden beast` number, since 6 + 202 + 3 + 25 + 0 + 5 + 425 = 666.

It is not a de Polignac number, because 620232505425 - 2² = 620232505421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620232505425.

It is not an unprimeable number, because it can be changed into a prime (620232505421) by changing a digit.

It is a polite number, since it can be written in 719 ways as a sum of consecutive naturals, for example, 3426698835 + ... + 3426699015.

It is an arithmetic number, because the mean of its divisors is an integer number (1998892896).

Almost surely, 2^620232505425 is an apocalyptic number.

620232505425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

620232505425 is an abundant number, since it is smaller than the sum of its proper divisors (818970379695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620232505425 is a wasteful number, since it uses less digits than its factorization.

620232505425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 620232505425 in words is "six hundred twenty billion, two hundred thirty-two million, five hundred five thousand, four hundred twenty-five".