2506110421 has 2 divisors, whose sum is σ = 2506110422. Its totient is φ = 2506110420.

The previous prime is 2506110419. The next prime is 2506110479. The reversal of 2506110421 is 1240116052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2429109796 + 77000625 = 49286^2 + 8775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506110421 - 2¹ = 2506110419 is a prime.

Together with 2506110419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2506110392 and 2506110401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2506410421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253055210 + 1253055211.

It is an arithmetic number, because the mean of its divisors is an integer number (1253055211).

Almost surely, 2^2506110421 is an apocalyptic number.

It is an amenable number.

2506110421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506110421 is an equidigital number, since it uses as much as digits as its factorization.

2506110421 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 22.

The square root of 2506110421 is about 50061.0669183149. The cubic root of 2506110421 is about 1358.3136576003.

Adding to 2506110421 its reverse (1240116052), we get a palindrome (3746226473).

The spelling of 2506110421 in words is "two billion, five hundred six million, one hundred ten thousand, four hundred twenty-one".