1325884761 has 8 divisors (see below), whose sum is σ = 1964273760. Its totient is φ = 883923156.

The previous prime is 1325884753. The next prime is 1325884799. The reversal of 1325884761 is 1674885231.

1325884761 is a `hidden beast` number, since 1 + 3 + 2 + 588 + 4 + 7 + 61 = 666.

It is not a de Polignac number, because 1325884761 - 2³ = 1325884753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325884361) 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, 24553395 + ... + 24553448.

It is an arithmetic number, because the mean of its divisors is an integer number (245534220).

Almost surely, 2^1325884761 is an apocalyptic number.

It is an amenable number.

1325884761 is a deficient number, since it is larger than the sum of its proper divisors (638388999).

1325884761 is an equidigital number, since it uses as much as digits as its factorization.

1325884761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49106852 (or 49106846 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 1325884761 is about 36412.7005452768. The cubic root of 1325884761 is about 1098.5890341840.

The spelling of 1325884761 in words is "one billion, three hundred twenty-five million, eight hundred eighty-four thousand, seven hundred sixty-one".