3925233561 has 8 divisors (see below), whose sum is σ = 5234233824. Its totient is φ = 2616527840.

The previous prime is 3925233527. The next prime is 3925233589. The reversal of 3925233561 is 1653325293.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3925233561 - 2²² = 3921039257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3925233511) 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, 40395 + ... + 97376.

It is an arithmetic number, because the mean of its divisors is an integer number (654279228).

Almost surely, 2^3925233561 is an apocalyptic number.

It is an amenable number.

3925233561 is a deficient number, since it is larger than the sum of its proper divisors (1309000263).

3925233561 is a wasteful number, since it uses less digits than its factorization.

3925233561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147271.

The product of its digits is 145800, while the sum is 39.

The square root of 3925233561 is about 62651.6844226873. The cubic root of 3925233561 is about 1577.4484214054.

The spelling of 3925233561 in words is "three billion, nine hundred twenty-five million, two hundred thirty-three thousand, five hundred sixty-one".