621141452 has 6 divisors (see below), whose sum is σ = 1086997548. Its totient is φ = 310570724.

The previous prime is 621141421. The next prime is 621141463. The reversal of 621141452 is 254141126.

621141452 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 as a sum of consecutive naturals, namely, 77642678 + ... + 77642685.

It is an arithmetic number, because the mean of its divisors is an integer number (181166258).

Almost surely, 2^621141452 is an apocalyptic number.

It is an amenable number.

621141452 is a deficient number, since it is larger than the sum of its proper divisors (465856096).

621141452 is a wasteful number, since it uses less digits than its factorization.

621141452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155285367 (or 155285365 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 621141452 is about 24922.7095637693. The cubic root of 621141452 is about 853.2248669237.

Adding to 621141452 its reverse (254141126), we get a palindrome (875282578).

The spelling of 621141452 in words is "six hundred twenty-one million, one hundred forty-one thousand, four hundred fifty-two".