1325858805 has 48 divisors (see below), whose sum is σ = 2402524800. Its totient is φ = 675126144.

The previous prime is 1325858803. The next prime is 1325858813. The reversal of 1325858805 is 5088585231.

1325858805 is a `hidden beast` number, since 13 + 2 + 58 + 588 + 0 + 5 = 666.

It is not a de Polignac number, because 1325858805 - 2¹ = 1325858803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325858803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855171 + ... + 856719.

It is an arithmetic number, because the mean of its divisors is an integer number (50052600).

Almost surely, 2^1325858805 is an apocalyptic number.

1325858805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325858805 is a deficient number, since it is larger than the sum of its proper divisors (1076665995).

1325858805 is a wasteful number, since it uses less digits than its factorization.

1325858805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The square root of 1325858805 is about 36412.3441294295. The cubic root of 1325858805 is about 1098.5818653451.

The spelling of 1325858805 in words is "one billion, three hundred twenty-five million, eight hundred fifty-eight thousand, eight hundred five".