621048141 has 80 divisors (see below), whose sum is σ = 1109560320. Its totient is φ = 338722560.

The previous prime is 621048133. The next prime is 621048163. The reversal of 621048141 is 141840126.

It is a happy number.

It is not a de Polignac number, because 621048141 - 2³ = 621048133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621048191) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1564155 + ... + 1564551.

It is an arithmetic number, because the mean of its divisors is an integer number (13869504).

Almost surely, 2^621048141 is an apocalyptic number.

It is an amenable number.

621048141 is a deficient number, since it is larger than the sum of its proper divisors (488512179).

621048141 is a wasteful number, since it uses less digits than its factorization.

621048141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 621048141 is about 24920.8374859273. The cubic root of 621048141 is about 853.1821395372.

Adding to 621048141 its reverse (141840126), we get a palindrome (762888267).

The spelling of 621048141 in words is "six hundred twenty-one million, forty-eight thousand, one hundred forty-one".