620725253 has 8 divisors (see below), whose sum is σ = 645928800. Its totient is φ = 596011248.

The previous prime is 620725187. The next prime is 620725331. The reversal of 620725253 is 352527026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620725253 - 2¹⁰ = 620724229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620725753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119798 + ... + 124871.

It is an arithmetic number, because the mean of its divisors is an integer number (80741100).

Almost surely, 2^620725253 is an apocalyptic number.

It is an amenable number.

620725253 is a deficient number, since it is larger than the sum of its proper divisors (25203547).

620725253 is a wasteful number, since it uses less digits than its factorization.

620725253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244771.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 620725253 is about 24914.3583702250. The cubic root of 620725253 is about 853.0342551183.

The spelling of 620725253 in words is "six hundred twenty million, seven hundred twenty-five thousand, two hundred fifty-three".