620401052 has 24 divisors (see below), whose sum is σ = 1116912720. Its totient is φ = 301311360.

The previous prime is 620401051. The next prime is 620401097. The reversal of 620401052 is 250104026.

It is a happy number.

620401052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620401051) 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, 94352 + ... + 100712.

It is an arithmetic number, because the mean of its divisors is an integer number (46538030).

Almost surely, 2^620401052 is an apocalyptic number.

It is an amenable number.

620401052 is a deficient number, since it is larger than the sum of its proper divisors (496511668).

620401052 is a wasteful number, since it uses less digits than its factorization.

620401052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061 (or 7059 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 620401052 is about 24907.8512120175. The cubic root of 620401052 is about 852.8857177320.

Adding to 620401052 its reverse (250104026), we get a palindrome (870505078).

The spelling of 620401052 in words is "six hundred twenty million, four hundred one thousand, fifty-two".