1425245550397 has 2 divisors, whose sum is σ = 1425245550398. Its totient is φ = 1425245550396.

The previous prime is 1425245550347. The next prime is 1425245550557. The reversal of 1425245550397 is 7930555425241.

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., 952876631716 + 472368918681 = 976154^2 + 687291^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425245550397 - 2⁷ = 1425245550269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425245550347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712622775198 + 712622775199.

It is an arithmetic number, because the mean of its divisors is an integer number (712622775199).

Almost surely, 2^{1425245550397} is an apocalyptic number.

It is an amenable number.

1425245550397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425245550397 is an equidigital number, since it uses as much as digits as its factorization.

1425245550397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 1425245550397 in words is "one trillion, four hundred twenty-five billion, two hundred forty-five million, five hundred fifty thousand, three hundred ninety-seven".