1350421025 has 6 divisors (see below), whose sum is σ = 1674522102. Its totient is φ = 1080336800.

The previous prime is 1350420971. The next prime is 1350421031. The reversal of 1350421025 is 5201240531.

It can be written as a sum of positive squares in 3 ways, for example, as 75359761 + 1275061264 = 8681^2 + 35708^2 .

It is not a de Polignac number, because 1350421025 - 2²⁰ = 1349372449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27008396 + ... + 27008445.

It is an arithmetic number, because the mean of its divisors is an integer number (279087017).

Almost surely, 2^1350421025 is an apocalyptic number.

It is an amenable number.

1350421025 is a deficient number, since it is larger than the sum of its proper divisors (324101077).

1350421025 is an equidigital number, since it uses as much as digits as its factorization.

1350421025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54016851 (or 54016846 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1350421025 is about 36748.0751196576. The cubic root of 1350421025 is about 1105.3243316770.

Adding to 1350421025 its reverse (5201240531), we get a palindrome (6551661556).

The spelling of 1350421025 in words is "one billion, three hundred fifty million, four hundred twenty-one thousand, twenty-five".