1303398725 has 12 divisors (see below), whose sum is σ = 1619332740. Its totient is φ = 1040707200.

The previous prime is 1303398697. The next prime is 1303398731. The reversal of 1303398725 is 5278933031.

It can be written as a sum of positive squares in 6 ways, for example, as 4661281 + 1298737444 = 2159^2 + 36038^2 .

It is not a de Polignac number, because 1303398725 - 2⁸ = 1303398469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37010 + ... + 63059.

It is an arithmetic number, because the mean of its divisors is an integer number (134944395).

Almost surely, 2^1303398725 is an apocalyptic number.

It is an amenable number.

1303398725 is a deficient number, since it is larger than the sum of its proper divisors (315934015).

1303398725 is a wasteful number, since it uses less digits than its factorization.

1303398725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100600 (or 100595 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1303398725 is about 36102.6138250404. The cubic root of 1303398725 is about 1092.3431693146.

The spelling of 1303398725 in words is "one billion, three hundred three million, three hundred ninety-eight thousand, seven hundred twenty-five".