2503134421 has 2 divisors, whose sum is σ = 2503134422. Its totient is φ = 2503134420.

The previous prime is 2503134407. The next prime is 2503134437. The reversal of 2503134421 is 1244313052.

2503134421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1943575396 + 559559025 = 44086^2 + 23655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503134421 - 2⁹ = 2503133909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5503134421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251567210 + 1251567211.

It is an arithmetic number, because the mean of its divisors is an integer number (1251567211).

Almost surely, 2^2503134421 is an apocalyptic number.

It is an amenable number.

2503134421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503134421 is an equidigital number, since it uses as much as digits as its factorization.

2503134421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2503134421 is about 50031.3343915591. The cubic root of 2503134421 is about 1357.7757799184.

Adding to 2503134421 its reverse (1244313052), we get a palindrome (3747447473).

The spelling of 2503134421 in words is "two billion, five hundred three million, one hundred thirty-four thousand, four hundred twenty-one".