621041301 has 12 divisors (see below), whose sum is σ = 897386412. Its totient is φ = 413876736.

The previous prime is 621041299. The next prime is 621041327. The reversal of 621041301 is 103140126.

It is a happy number.

621041301 is a `hidden beast` number, since 621 + 0 + 41 + 3 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 554602500 + 66438801 = 23550^2 + 8151^2 .

It is not a de Polignac number, because 621041301 - 2¹ = 621041299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621041371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17235 + ... + 39231.

It is an arithmetic number, because the mean of its divisors is an integer number (74782201).

Almost surely, 2^621041301 is an apocalyptic number.

It is an amenable number.

621041301 is a deficient number, since it is larger than the sum of its proper divisors (276345111).

621041301 is a wasteful number, since it uses less digits than its factorization.

621041301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25140 (or 25137 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 621041301 is about 24920.7002509962. The cubic root of 621041301 is about 853.1790073124.

Adding to 621041301 its reverse (103140126), we get a palindrome (724181427).

The spelling of 621041301 in words is "six hundred twenty-one million, forty-one thousand, three hundred one".