621324141 has 8 divisors (see below), whose sum is σ = 844063200. Its totient is φ = 406400592.

The previous prime is 621324107. The next prime is 621324167. The reversal of 621324141 is 141423126.

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

It is not a de Polignac number, because 621324141 - 2¹⁵ = 621291373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621324241) 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, 1953691 + ... + 1954008.

It is an arithmetic number, because the mean of its divisors is an integer number (105507900).

Almost surely, 2^621324141 is an apocalyptic number.

It is an amenable number.

621324141 is a deficient number, since it is larger than the sum of its proper divisors (222739059).

621324141 is a wasteful number, since it uses less digits than its factorization.

621324141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907755.

The product of its digits is 1152, while the sum is 24.

The square root of 621324141 is about 24926.3744054365. The cubic root of 621324141 is about 853.3085083754.

Adding to 621324141 its reverse (141423126), we get a palindrome (762747267).

The spelling of 621324141 in words is "six hundred twenty-one million, three hundred twenty-four thousand, one hundred forty-one".