1304501225 has 24 divisors (see below), whose sum is σ = 1638674880. Its totient is φ = 1030086720.

The previous prime is 1304501207. The next prime is 1304501251. The reversal of 1304501225 is 5221054031.

It is a de Polignac number, because none of the positive numbers 2^k-1304501225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304501225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638756 + ... + 640794.

It is an arithmetic number, because the mean of its divisors is an integer number (68278120).

Almost surely, 2^1304501225 is an apocalyptic number.

It is an amenable number.

1304501225 is a deficient number, since it is larger than the sum of its proper divisors (334173655).

1304501225 is a wasteful number, since it uses less digits than its factorization.

1304501225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1304501225 is about 36117.8795750803. The cubic root of 1304501225 is about 1092.6510743119.

Adding to 1304501225 its reverse (5221054031), we get a palindrome (6525555256).

The spelling of 1304501225 in words is "one billion, three hundred four million, five hundred one thousand, two hundred twenty-five".