2053102421 has 2 divisors, whose sum is σ = 2053102422. Its totient is φ = 2053102420.

The previous prime is 2053102409. The next prime is 2053102451. The reversal of 2053102421 is 1242013502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2045752900 + 7349521 = 45230^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 2053102421 - 2¹⁰ = 2053101397 is a prime.

It is a super-2 number, since 2×2053102421² = 8430459102232122482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2053102393 and 2053102402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2053102451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026551210 + 1026551211.

It is an arithmetic number, because the mean of its divisors is an integer number (1026551211).

Almost surely, 2^2053102421 is an apocalyptic number.

It is an amenable number.

2053102421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053102421 is an equidigital number, since it uses as much as digits as its factorization.

2053102421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2053102421 is about 45311.1732467832. The cubic root of 2053102421 is about 1270.9746008552.

Adding to 2053102421 its reverse (1242013502), we get a palindrome (3295115923).

The spelling of 2053102421 in words is "two billion, fifty-three million, one hundred two thousand, four hundred twenty-one".