1425615251393 has 2 divisors, whose sum is σ = 1425615251394. Its totient is φ = 1425615251392.

The previous prime is 1425615251387. The next prime is 1425615251443. The reversal of 1425615251393 is 3931525165241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1368729185329 + 56886066064 = 1169927^2 + 238508^2 .

It is an emirp because it is prime and its reverse (3931525165241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425615251393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1425615251363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712807625696 + 712807625697.

It is an arithmetic number, because the mean of its divisors is an integer number (712807625697).

Almost surely, 2^{1425615251393} is an apocalyptic number.

It is an amenable number.

1425615251393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425615251393 is an equidigital number, since it uses as much as digits as its factorization.

1425615251393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 47.

The spelling of 1425615251393 in words is "one trillion, four hundred twenty-five billion, six hundred fifteen million, two hundred fifty-one thousand, three hundred ninety-three".