1265014225 has 6 divisors (see below), whose sum is σ = 1568617670. Its totient is φ = 1012011360.

The previous prime is 1265014211. The next prime is 1265014253. The reversal of 1265014225 is 5224105621.

It can be written as a sum of positive squares in 3 ways, for example, as 1140624 + 1263873601 = 1068^2 + 35551^2 .

It is not a de Polignac number, because 1265014225 - 2²⁵ = 1231459793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1265014193 and 1265014202.

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, 25300260 + ... + 25300309.

Almost surely, 2^1265014225 is an apocalyptic number.

It is an amenable number.

1265014225 is a deficient number, since it is larger than the sum of its proper divisors (303603445).

1265014225 is an equidigital number, since it uses as much as digits as its factorization.

1265014225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50600579 (or 50600574 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1265014225 is about 35567.0384625990. The cubic root of 1265014225 is about 1081.5131467732.

Adding to 1265014225 its reverse (5224105621), we get a palindrome (6489119846).

The spelling of 1265014225 in words is "one billion, two hundred sixty-five million, fourteen thousand, two hundred twenty-five".