10245514421 has 2 divisors, whose sum is σ = 10245514422. Its totient is φ = 10245514420.

The previous prime is 10245514417. The next prime is 10245514459. The reversal of 10245514421 is 12441554201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9410940100 + 834574321 = 97010^2 + 28889^2 .

It is an emirp because it is prime and its reverse (12441554201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10245514421 - 2² = 10245514417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10245514481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122757210 + 5122757211.

It is an arithmetic number, because the mean of its divisors is an integer number (5122757211).

Almost surely, 2^10245514421 is an apocalyptic number.

It is an amenable number.

10245514421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10245514421 is an equidigital number, since it uses as much as digits as its factorization.

10245514421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 10245514421 in words is "ten billion, two hundred forty-five million, five hundred fourteen thousand, four hundred twenty-one".