620312452 has 48 divisors (see below), whose sum is σ = 1136016000. Its totient is φ = 296144640.

The previous prime is 620312447. The next prime is 620312471. The reversal of 620312452 is 254213026.

620312452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2708674 + ... + 2708902.

It is an arithmetic number, because the mean of its divisors is an integer number (23667000).

Almost surely, 2^620312452 is an apocalyptic number.

It is an amenable number.

620312452 is a deficient number, since it is larger than the sum of its proper divisors (515703548).

620312452 is a wasteful number, since it uses less digits than its factorization.

620312452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 620312452 is about 24906.0725928437. The cubic root of 620312452 is about 852.8451153551.

Adding to 620312452 its reverse (254213026), we get a palindrome (874525478).

The spelling of 620312452 in words is "six hundred twenty million, three hundred twelve thousand, four hundred fifty-two".