1325076421 has 2 divisors, whose sum is σ = 1325076422. Its totient is φ = 1325076420.

The previous prime is 1325076383. The next prime is 1325076503. The reversal of 1325076421 is 1246705231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199860321 + 125216100 = 34639^2 + 11190^2 .

It is an emirp because it is prime and its reverse (1246705231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325076421 - 2⁷ = 1325076293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325076721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662538210 + 662538211.

It is an arithmetic number, because the mean of its divisors is an integer number (662538211).

Almost surely, 2^1325076421 is an apocalyptic number.

It is an amenable number.

1325076421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325076421 is an equidigital number, since it uses as much as digits as its factorization.

1325076421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1325076421 is about 36401.5991544328. The cubic root of 1325076421 is about 1098.3657332322.

The spelling of 1325076421 in words is "one billion, three hundred twenty-five million, seventy-six thousand, four hundred twenty-one".