1301711225 has 6 divisors (see below), whose sum is σ = 1614121950. Its totient is φ = 1041368960.

The previous prime is 1301711221. The next prime is 1301711239. The reversal of 1301711225 is 5221171031.

It can be written as a sum of positive squares in 3 ways, for example, as 20286016 + 1281425209 = 4504^2 + 35797^2 .

It is not a de Polignac number, because 1301711225 - 2² = 1301711221 is a prime.

It is a super-2 number, since 2×1301711225² = 3388904226582001250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1301711225.

It is not an unprimeable number, because it can be changed into a prime (1301711221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26034200 + ... + 26034249.

It is an arithmetic number, because the mean of its divisors is an integer number (269020325).

Almost surely, 2^1301711225 is an apocalyptic number.

It is an amenable number.

1301711225 is a deficient number, since it is larger than the sum of its proper divisors (312410725).

1301711225 is an equidigital number, since it uses as much as digits as its factorization.

1301711225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52068459 (or 52068454 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1301711225 is about 36079.2353716095. The cubic root of 1301711225 is about 1091.8715497071.

Adding to 1301711225 its reverse (5221171031), we get a palindrome (6522882256).

It can be divided in two parts, 13017 and 11225, that added together give a palindrome (24242).

The spelling of 1301711225 in words is "one billion, three hundred one million, seven hundred eleven thousand, two hundred twenty-five".