2553103021 has 8 divisors (see below), whose sum is σ = 2929187520. Its totient is φ = 2179857408.

The previous prime is 2553103013. The next prime is 2553103031. The reversal of 2553103021 is 1203013552.

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

It is a cyclic number.

It is not a de Polignac number, because 2553103021 - 2³ = 2553103013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2553102983 and 2553103001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553103031) 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, 707791 + ... + 711388.

It is an arithmetic number, because the mean of its divisors is an integer number (366148440).

Almost surely, 2^2553103021 is an apocalyptic number.

It is an amenable number.

2553103021 is a deficient number, since it is larger than the sum of its proper divisors (376084499).

2553103021 is a wasteful number, since it uses less digits than its factorization.

2553103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419443.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2553103021 is about 50528.2398367487. The cubic root of 2553103021 is about 1366.7511453299.

Adding to 2553103021 its reverse (1203013552), we get a palindrome (3756116573).

The spelling of 2553103021 in words is "two billion, five hundred fifty-three million, one hundred three thousand, twenty-one".