5125314583421 has 2 divisors, whose sum is σ = 5125314583422. Its totient is φ = 5125314583420.

The previous prime is 5125314583409. The next prime is 5125314583429. The reversal of 5125314583421 is 1243854135215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2652435676900 + 2472878906521 = 1628630^2 + 1572539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5125314583421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5125314583429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562657291710 + 2562657291711.

It is an arithmetic number, because the mean of its divisors is an integer number (2562657291711).

Almost surely, 2^{5125314583421} is an apocalyptic number.

It is an amenable number.

5125314583421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125314583421 is an equidigital number, since it uses as much as digits as its factorization.

5125314583421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 44.

The spelling of 5125314583421 in words is "five trillion, one hundred twenty-five billion, three hundred fourteen million, five hundred eighty-three thousand, four hundred twenty-one".