1325553601 has 8 divisors (see below), whose sum is σ = 1433031680. Its totient is φ = 1221846768.

The previous prime is 1325553577. The next prime is 1325553667. The reversal of 1325553601 is 1063555231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325553601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325553101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942081 + ... + 943486.

It is an arithmetic number, because the mean of its divisors is an integer number (179128960).

Almost surely, 2^1325553601 is an apocalyptic number.

It is an amenable number.

1325553601 is a deficient number, since it is larger than the sum of its proper divisors (107478079).

1325553601 is a wasteful number, since it uses less digits than its factorization.

1325553601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885623.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 1325553601 is about 36408.1529468332. The cubic root of 1325553601 is about 1098.4975634297.

The spelling of 1325553601 in words is "one billion, three hundred twenty-five million, five hundred fifty-three thousand, six hundred one".