1303513025 has 24 divisors (see below), whose sum is σ = 1674803520. Its totient is φ = 1005220160.

The previous prime is 1303513009. The next prime is 1303513027. The reversal of 1303513025 is 5203153031.

It is not a de Polignac number, because 1303513025 - 2⁴ = 1303513009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303513027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642062 + ... + 644088.

It is an arithmetic number, because the mean of its divisors is an integer number (69783480).

Almost surely, 2^1303513025 is an apocalyptic number.

It is an amenable number.

1303513025 is a deficient number, since it is larger than the sum of its proper divisors (371290495).

1303513025 is a wasteful number, since it uses less digits than its factorization.

1303513025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2948 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1303513025 is about 36104.1967782140. The cubic root of 1303513025 is about 1092.3750989594.

Adding to 1303513025 its reverse (5203153031), we get a palindrome (6506666056).

The spelling of 1303513025 in words is "one billion, three hundred three million, five hundred thirteen thousand, twenty-five".