1305033425 has 12 divisors (see below), whose sum is σ = 1619063040. Its totient is φ = 1043496720.

The previous prime is 1305033419. The next prime is 1305033479. The reversal of 1305033425 is 5243305031.

It is a de Polignac number, because none of the positive numbers 2^k-1305033425 is a prime.

It is a super-2 number, since 2×1305033425² = 3406224480734461250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1305033394 and 1305033403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41396 + ... + 65754.

It is an arithmetic number, because the mean of its divisors is an integer number (134921920).

Almost surely, 2^1305033425 is an apocalyptic number.

It is an amenable number.

1305033425 is a deficient number, since it is larger than the sum of its proper divisors (314029615).

1305033425 is a wasteful number, since it uses less digits than its factorization.

1305033425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26512 (or 26507 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1305033425 is about 36125.2463659419. The cubic root of 1305033425 is about 1092.7996444650.

Adding to 1305033425 its reverse (5243305031), we get a palindrome (6548338456).

The spelling of 1305033425 in words is "one billion, three hundred five million, thirty-three thousand, four hundred twenty-five".