1530225454249 has 2 divisors, whose sum is σ = 1530225454250. Its totient is φ = 1530225454248.

The previous prime is 1530225454229. The next prime is 1530225454267. The reversal of 1530225454249 is 9424545220351.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144807981849 + 385417472400 = 1069957^2 + 620820^2 .

It is an emirp because it is prime and its reverse (9424545220351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1530225454249 - 2¹⁵ = 1530225421481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1530225454199 and 1530225454208.

It is not a weakly prime, because it can be changed into another prime (1530225454229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765112727124 + 765112727125.

It is an arithmetic number, because the mean of its divisors is an integer number (765112727125).

Almost surely, 2^{1530225454249} is an apocalyptic number.

It is an amenable number.

1530225454249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530225454249 is an equidigital number, since it uses as much as digits as its factorization.

1530225454249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 1530225454249 in words is "one trillion, five hundred thirty billion, two hundred twenty-five million, four hundred fifty-four thousand, two hundred forty-nine".