620325590 has 8 divisors (see below), whose sum is σ = 1116586080. Its totient is φ = 248130232.

The previous prime is 620325583. The next prime is 620325619. The reversal of 620325590 is 95523026.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31016270 + ... + 31016289.

It is an arithmetic number, because the mean of its divisors is an integer number (139573260).

Almost surely, 2^620325590 is an apocalyptic number.

620325590 is a deficient number, since it is larger than the sum of its proper divisors (496260490).

620325590 is a wasteful number, since it uses less digits than its factorization.

620325590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62032566.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 620325590 is about 24906.3363423848. The cubic root of 620325590 is about 852.8511362993.

The spelling of 620325590 in words is "six hundred twenty million, three hundred twenty-five thousand, five hundred ninety".