1003300552421 has 16 divisors (see below), whose sum is σ = 1029166446000. Its totient is φ = 977501952000.

The previous prime is 1003300552403. The next prime is 1003300552451. The reversal of 1003300552421 is 1242550033001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 516077008225 + 487223544196 = 718385^2 + 698014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003300552421 - 2¹⁰ = 1003300551397 is a prime.

It is a super-2 number, since 2×1003300552421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003300552451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184122905 + ... + 184128353.

It is an arithmetic number, because the mean of its divisors is an integer number (64322902875).

Almost surely, 2^{1003300552421} is an apocalyptic number.

It is an amenable number.

1003300552421 is a deficient number, since it is larger than the sum of its proper divisors (25865893579).

1003300552421 is a wasteful number, since it uses less digits than its factorization.

1003300552421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1003300552421 its reverse (1242550033001), we get a palindrome (2245850585422).

The spelling of 1003300552421 in words is "one trillion, three billion, three hundred million, five hundred fifty-two thousand, four hundred twenty-one".