1025613305 has 8 divisors (see below), whose sum is σ = 1244565000. Its totient is φ = 811271296.

The previous prime is 1025613289. The next prime is 1025613353. The reversal of 1025613305 is 5033165201.

It can be written as a sum of positive squares in 4 ways, for example, as 189998656 + 835614649 = 13784^2 + 28907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025613305 - 2⁴ = 1025613289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151930 + ... + 1152819.

It is an arithmetic number, because the mean of its divisors is an integer number (155570625).

Almost surely, 2^1025613305 is an apocalyptic number.

It is an amenable number.

1025613305 is a deficient number, since it is larger than the sum of its proper divisors (218951695).

1025613305 is an equidigital number, since it uses as much as digits as its factorization.

1025613305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304843.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1025613305 is about 32025.1979697238. The cubic root of 1025613305 is about 1008.4658947061.

Adding to 1025613305 its reverse (5033165201), we get a palindrome (6058778506).

The spelling of 1025613305 in words is "one billion, twenty-five million, six hundred thirteen thousand, three hundred five".