3425560891 has 4 divisors (see below), whose sum is σ = 3425678784. Its totient is φ = 3425443000.

The previous prime is 3425560883. The next prime is 3425560937. The reversal of 3425560891 is 1980655243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1980655243 = 7 ⋅282950749.

It is a cyclic number.

It is not a de Polignac number, because 3425560891 - 2³ = 3425560883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3425560861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18966 + ... + 84916.

It is an arithmetic number, because the mean of its divisors is an integer number (856419696).

Almost surely, 2^3425560891 is an apocalyptic number.

3425560891 is a deficient number, since it is larger than the sum of its proper divisors (117893).

3425560891 is an equidigital number, since it uses as much as digits as its factorization.

3425560891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117892.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 3425560891 is about 58528.2913726345. The cubic root of 3425560891 is about 1507.4534055254.

The spelling of 3425560891 in words is "three billion, four hundred twenty-five million, five hundred sixty thousand, eight hundred ninety-one".