1304355025 has 12 divisors (see below), whose sum is σ = 1617987712. Its totient is φ = 1043105040.

The previous prime is 1304354999. The next prime is 1304355029. The reversal of 1304355025 is 5205534031.

It is not a de Polignac number, because 1304355025 - 2⁵ = 1304354993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304354984 and 1304355002.

It is not an unprimeable number, because it can be changed into a prime (1304355029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75772 + ... + 91378.

Almost surely, 2^1304355025 is an apocalyptic number.

It is an amenable number.

1304355025 is a deficient number, since it is larger than the sum of its proper divisors (313632687).

1304355025 is a wasteful number, since it uses less digits than its factorization.

1304355025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18960 (or 18955 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1304355025 is about 36115.8555900314. The cubic root of 1304355025 is about 1092.6102537152.

Adding to 1304355025 its reverse (5205534031), we get a palindrome (6509889056).

It can be divided in two parts, 130435 and 5025, that added together give a triangular number (135460 = T₅₂₀).

The spelling of 1304355025 in words is "one billion, three hundred four million, three hundred fifty-five thousand, twenty-five".