621133342 has 8 divisors (see below), whose sum is σ = 937416456. Its totient is φ = 308661192.

The previous prime is 621133333. The next prime is 621133367. The reversal of 621133342 is 243331126.

621133342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952333 + ... + 952984.

It is an arithmetic number, because the mean of its divisors is an integer number (117177057).

Almost surely, 2^621133342 is an apocalyptic number.

621133342 is a deficient number, since it is larger than the sum of its proper divisors (316283114).

621133342 is a wasteful number, since it uses less digits than its factorization.

621133342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905482.

The product of its digits is 2592, while the sum is 25.

The square root of 621133342 is about 24922.5468602228. The cubic root of 621133342 is about 853.2211535002.

Adding to 621133342 its reverse (243331126), we get a palindrome (864464468).

The spelling of 621133342 in words is "six hundred twenty-one million, one hundred thirty-three thousand, three hundred forty-two".