620353525 has 24 divisors (see below), whose sum is σ = 845258400. Its totient is φ = 447892800.

The previous prime is 620353523. The next prime is 620353577. The reversal of 620353525 is 525353026.

It is not a de Polignac number, because 620353525 - 2¹ = 620353523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620353523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30111 + ... + 46339.

It is an arithmetic number, because the mean of its divisors is an integer number (35219100).

Almost surely, 2^620353525 is an apocalyptic number.

It is an amenable number.

620353525 is a deficient number, since it is larger than the sum of its proper divisors (224904875).

620353525 is a wasteful number, since it uses less digits than its factorization.

620353525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16389 (or 16384 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 620353525 is about 24906.8971371385. The cubic root of 620353525 is about 852.8639381995.

The spelling of 620353525 in words is "six hundred twenty million, three hundred fifty-three thousand, five hundred twenty-five".